DTC DETECTION LOGIC AND CONDITIONS [LF, L3]

id0102a3100300

B1342 PCM malfunction

• Malfunction in the PCM internal circuit.

P0011 CMP timing over-advanced

• The actual valve timing is over-advanced by 15 ° (when the following conditions are met) from the target valve timing when the OCV is controlled in the maximum valve timing retard condition.

MONITORING CONDITIONS

― Engine speed is below 4,000 rpm

― Engine coolant temperature is 70—110 °C {158—230 °F}

P0012 CMP timing over-retarded

• Actual valve timing is over-retarded by 10 ° from the target valve timing for 5 s when the OCV system control is within the feed-back range.

MONITORING CONDITIONS

― Engine speed is below 4,000 rpm

― Engine coolant temperature is 70—110 °C {158—230 °F}

P0030 A/F sensor heater control circuit problem

• OBD system monitors the output signal voltage from A/F sensor which is proportion to the element impedance of A/F sensor.

• If the output signal voltage isn’t between 0.75 V and 1.5 V after specified time from engine start, heater performance considered failed.

MONITORING CONDITIONS

― Battery voltage: 10—18 V

― Time from engine start is 74 s or more

P0031 A/F sensor heater circuit low input

• The PCM monitors the A/F sensor heater output voltage. If the PCM turns the A/F sensor heater off or on but the A/F sensor heater circuit remains low voltage, the PCM determines that the A/F sensor heater circuit has a malfunction.

P0032 A/F sensor heater circuit high input

• The PCM monitors the A/F sensor heater output voltage. If the PCM turns the A/F sensor heater off or on but the A/F sensor heater circuit remains high voltage, the PCM determines that the A/F sensor heater circuit has a malfunction.

P0037 HO2S heater circuit low input

• The PCM monitors the HO2S heater output voltage. If the PCM turns the HO2S heater off or on but the HO2S heater circuit remains low voltage, the PCM determines that the HO2S heater circuit has a malfunction.

P0038 HO2S heater circuit high input

• The PCM monitors the HO2S heater output voltage. If the PCM turns the HO2S heater off or on but the HO2S heater circuit remains high voltage, the PCM determines that the HO2S heater circuit has a malfunction.

P0069 Manifold absolute pressure/atmospheric pressure correlation

• PCM monitors differences between intake manifold vacuum and atmospheric pressure. If the difference is below -12 kPa {-90 mmHg, -3.5 inHg} or above 12 kPa {90 mmHg, 3.5 inHg} when the following conditions are met, the PCM determines that there is a MAP sensor performance problem.

― 12—15 s from when ignition switch is turned off.

― Intake air temperature is above -10 °C {14 °F}.

― Engine coolant temperature is above 70 °C {158 °F}.

P0101 MAF sensor circuit range/performance problem

• The PCM monitors mass intake air flow amount when the engine is running.

― If mass intake air flow amount is above 42 l/s for 5 s and engine speed is below 2,000 rpm with engine running, PCM determines that detected mass intake air flow amount is too high.

― If mass intake air flow amount is below 5.5—49.6 l/s (The value depends on engine speed.) for 5 s and engine speed is above 1,000 rpm with engine running and throttle opening angle is above 50%, PCM determines that detected mass intake air flow amount is too low.

P0102 MAF sensor circuit low input

• The PCM monitors input voltage from the MAF sensor when the engine running. If the input voltage is below 0.21 V, the PCM determines that the MAF circuit has malfunction.

P0103 MAF sensor circuit high input

• The PCM monitors the input voltage from the MAF sensor when the engine running. If the input voltage is above 4.9 V, the PCM determines that the MAF circuit has malfunction.

P0107 MAP sensor circuit low input

• The PCM monitors the input voltage from the MAP sensor when the intake air temperature is above -10 °C {14 °F}. If the input voltage is below 0.1V, the PCM determines that the MAP sensor circuit has a malfunction.

MONITORING CONDITIONS

― Calculated load: 13—32 %

P0108 MAP sensor circuit high input

• The PCM monitors the input voltage from the MAP sensor when the intake air temperature is above -10 °C {14 °F}. If input the voltage is above 4.92 V, the PCM determines that the MAP sensor circuit has malfunction.

MONITORING CONDITIONS

― Calculated load: 13—32 %

P0111 IAT sensor circuit range/performance problem

• If intake air temperature is higher than engine coolant temperature by 18 °C {32.4 °F} for 1.2 s with ignition switch on*, the PCM determines that there is a intake air temperature sensor circuit range/performance problem.

*: Ignition switch on when 6 h or more has passed since the previous ignition switch off

P0112 IAT sensor circuit low input

• The PCM monitors the IAT sensor signal. If the PCM detects the IAT sensor voltage below 0.16 V, the PCM determines that the IAT sensor circuit has malfunction.

P0113 IAT sensor circuit high input

• The PCM monitors the IAT sensor signal. If the PCM detects the IAT sensor voltage above 4.84 V, the PCM determines that IAT sensor circuit has malfunction.

P0117 ECT sensor circuit low input

• The PCM monitors the ECT sensor signal. If the PCM detects the ECT sensor voltage below 0.2 V, the PCM determines that the ECT sensor circuit has malfunction.

P0118 ECT sensor circuit high input

• The PCM monitors the ECT sensor signal. If the PCM detects the ECT sensor voltage is above 4.58 V, the PCM determines that the ECT sensor circuit has malfunction.

P0122 TP sensor No.1 circuit low input

• If the PCM detects the TP sensor voltage is below 0.2 V while the engine running to on, the PCM determines that the TP circuit has malfunction.

P0123 TP sensor No.1 circuit high input

• If the PCM detects the TP sensor voltage is above 4.85 V while the engine is running, the PCM determines that the TP circuit has malfunction.

P0125 Excessive time to enter closed loop fuel control

• The PCM monitors the ECT sensor signal after engine is started at the engine is cold. If the engine coolant temperature does not reach the expected temperature for specified period, the PCM determines that it has taken an excessive amount of time for the engine coolant temperature to reach the temperature necessary to start closed-loop fuel control.

P0131 A/F sensor circuit low input

• The PCM monitors the input voltage from the A/F sensor while the engine is running. If the input voltage is above 1.0 V for 2 s, the PCM determines that the A/F sensor circuit voltage is low.

P0132 A/F sensor circuit high input

• The PCM monitors the input voltage from the A/F sensor when the engine is running. If the input voltage is less than 1.0 V for 2 s, the PCM determines that the A/F sensor circuit voltage is high.

P0133 A/F sensor circuit problem

• The PCM monitors the peak differential value of A/F sensor signal after A/F fluctuation being provided when the following conditions are met. If the peak differential value is lower than the threshold value.

• The PCM determines that the A/F sensor circuit is slow.

MONITORING CONDITIONS

― A/F sensor heater, HO2S heater, A/F sensor, HO2S, and TWC Repair Verification Drive Mode

― Following conditions are met:

• A/F sensor heater monitor is completed.

• Fuel system loop status is closed loop fuel control.

― Engine speed: 1,500—3,500 rpm

― Charging efficiency: 21—60 % (at engine speed: 2,500 rpm)

― Intake air volume: 5—40 g

― Engine coolant temperature above 70 °C {158 °F}

P0134 A/F sensor no activity detected

• The PCM monitors the input voltage from A/F sensor when the following conditions are met. Under the following monitoring conditions, the input voltage more than 3.22 V, the PCM determines that the A/F sensor is not activated.

MONITORING CONDITIONS

― A/F sensor, HO2S, A/F sensor heater, HO2S heater and TWC Repair Verification Drive Mode

― Following conditions are met:

• A/F sensor heater is turned on for more than 30 s.

• Battery voltage: 10 —18 V

P0137 HO2S circuit low input

• The PCM monitors input voltage from HO2S. If the input voltage from the HO2S is below 0.1 V for 41.6 s the PCM determines that circuit input is low.

MONITORING CONDITIONS

― A/F sensor, HO2S, A/F sensor heater, HO2S heater and TWC repair verification drive mode

― Following conditions are met:

• Engine speed is above 1,500 rpm.

• Engine coolant temperature is above 70 °C {158 °F}.

• Fuel injector control in HO2S closed loop control.

• The PCM monitors the input voltage from the HO2S when the following conditions are met. Under the following monitoring conditions, if the input voltage from the HO2S does not even exceed 0.1 V though the short term fuel trim is controlled up to 20.5 % for 9.6 s, the PCM determines that sensor circuit input is low.

MONITORING CONDITIONS

― A/F sensor, HO2S, A/F sensor heater, HO2S heater and TWC repair verification drive mode

― Following conditions are met for above 20.8 s.

• Engine speed is above 1,500 rpm.

• Engine coolant temperature is above 70 °C {158 °F}.

P0138 HO2S circuit high input

• The PCM monitors input voltage from HO2S. If the input voltage from the HO2S is above 1.2 V for 0.8 s, the PCM determines that circuit input is high.

P0140 HO2S no activity detected

• The PCM monitors the input voltage from the HO2S when the following conditions are met. if the input voltage never exceed 0.55 V though the short term fuel trim is controlled up to 20.5 % for 9.6 s, the PCM determines that sensor circuit is not activated.

MONITORING CONDITIONS

― A/F sensor, HO2S, A/F sensor heater, HO2S heater and TWC repair verification drive mode

― Following conditions are met for above 20.8 s

• Engine speed is above 1,500 rpm.

• Engine coolant temperature is above 70 °C {158 °F}.

• HO2S voltage is above 0.1 V

P0222 TP sensor No.2 circuit low input

• The PCM monitors the input voltage from TP sensor No.2 when the engine is running. If the input voltage is below 0.2 V, the PCM determines that the TP sensor No.2 circuit input voltage is low.

P0223 TP sensor No.2 circuit high input

• The PCM monitors the input voltage from TP sensor No.2 when the engine is running. If the input voltage is above 4.85 V, the PCM determines that the TP sensor No.2 circuit input voltage is high.

P0300 Random misfire detected

• The PCM monitors CKP sensor input signal interval time. The PCM calculates change of interval time for each cylinder. If change of interval time exceeds preprogrammed criteria, the PCM detects misfire in the corresponding cylinder. While the engine is running, the PCM counts number of misfires that occurred at 200 crankshaft revolutions and 1,000 crankshaft revolutions and calculates misfire ratio for each crankshaft revolution. If the ratio exceeds the preprogrammed criteria, the PCM determines that a misfire, which can damage catalytic converter or affect emission performance, has occurred.

P0301 Cylinder No.1 misfire detected

• The PCM monitors CKP sensor input signal interval time. The PCM calculates the change of interval time for each cylinder. If the change of interval time exceeds the preprogrammed criteria, the PCM detects a misfire in the corresponding cylinder. While the engine is running, the PCM counts number of misfires that occurred at 200 crankshaft revolutions and 1,000 crankshaft revolutions and calculates misfire ratio for each crankshaft revolution. If the ratio exceeds the preprogrammed criteria, the PCM determines that a misfire, which can damage catalytic converter or affect emission performance, has occurred.

P0302 Cylinder No.2 misfire detected

P0303 Cylinder No.3 misfire detected

P0304 Cylinder No.4 misfire detected

P0327 KS circuit low input

• The PCM monitors input signal from the KS when the engine is running. If the input voltage between PCM terminals for the KS circuit is below 0.06 V the PCM determines that the KS circuit has malfunction.

P0328 KS circuit high input

• The PCM monitors the input signal from the KS when the engine is running. If the input voltage between PCM terminals for the KS circuit is above 4.9 V the PCM determines that KS circuit has a malfunction.

P0335 CKP sensor circuit problem

• If the PCM does not receive the input voltage from the CKP sensor for 4.2 s while the MAF is 1.95 g/s {0.25 lb/min.} or above, the PCM determines that the CKP sensor circuit has a malfunction.

• If a malfunction is detected in the input pulse pattern from the CKP sensor.

P0340 CMP sensor circuit problem

• The PCM monitors the input voltage from the CMP sensor when the engine is running. If the PCM does not receive the input voltage from the CMP sensor while the PCM receives the input signal from the CKP sensor, the PCM determines that the CMP circuit has a malfunction.

P0403 EGR valve (stepper motor) circuit problem

• The PCM monitors the input voltage from EGR valve. If voltage remain low or high, the PCM determines that the EGR valve circuit has malfunction.

P0421 Warm up catalyst system efficiency below threshold

• The PCM compares the number of A/F sensor and HO2S inversions for a predetermined time. The PCM monitors the HO2S inversion ratio when the following conditions are met: The PCM detects inversion ratio. If the inversion ratio is below threshold, the PCM determine that catalyst system has deteriorated.

― The A/F sensor inversion ratio is as prescribed when the following monitoring conditions are met:

― The accumulated occurrence time of the following monitoring conditions has exceeded the prescribed time limit:

MONITORING CONDITION

― Engine speed is 1,600—3,000 rpm.

― Calculated TWC temperature is above 400 °C {752 °F}.

― Calculated load is 15—48% (at engine speed 2,000 rpm)

P0443 Purge solenoid valve circuit problem

• The PCM monitors the input voltages from the purge solenoid valve. If the voltage remains low or high, the PCM determines that the purge solenoid valve circuit has malfunction.

P0480 Fan control circuit problem

• The PCM monitors the input voltages from the fan control module. If the voltage at PCM terminal 1R remains low or high, the PCM determines that fan control circuit has malfunction.

P0500 VSS circuit problem

• Vehicle speed signal from vehicle speed sensor is below 3.7 km/h {2.3 mph} when following conditions are met:

― Neutral switch and clutch switch are OFF

― Load is above 40 %

― Engine speed is 2,000 rpm or above

― Brake switch is OFF

P0505 IAC system problem

• The PCM cannot control idle speed toward target idle speed while KOER self test.

P0506 Idle control system RPM lower than expected

• Actual idle speed is lower than expected by 100 rpm for 14 s, when brake pedal is depressed (brake switch is on).

P0507 Idle control system RPM higher than expected

• Actual idle speed is higher than expected by 200 rpm for 14 s, when the brake pedal is depressed (brake switch is on).

P0564 Cruise control switch circuit malfunction

• The PCM monitors the cruise control switch signal at PCM terminal 1AQ. If the PCM detects that any one of following switches (Main, CANCEL, SET/COAST, RESUME/ACCEL) remains on for 2 min, the PCM determines that the cruise control switch circuit has a malfunction.

P0571 Brake switch circuit problem

• The PCM monitors switching in conjunction with brake switches No.1 and No.2. If either No.1 or No.2 do not switch for a continuous five times even though either No.1 or No.2 is switched from off to on or from on to off, P0571 is detected.

P0601 PCM memory check sum error

• The PCM internal memory check sum error

P0602 PCM programming error

• No configuration data in the PCM

P0604 PCM RAM error

• The PCM internal random access memory error

P0606 ECM/PCM processor

• The PCM internal CPU malfunction

• Abnormal voltage applied to PCM ignition switch terminal.

P0607 PCM performance problem

• The PCM internal malfunction

P0610 PCM vehicle options error

• The PCM data configuration error

P0638 Throttle actuator control circuit range/performance problem

• The PCM compares the actual TP with the target TP when the engine is running. If the difference is more than the specification, the PCM determines that there is a throttle actuator control circuit range/performance problem.

P0661 Variable intake air solenoid valve circuit low input

• The PCM monitors the variable intake air solenoid valve control signal. If the PCM turns variable intake air solenoid valve off but voltage still remains low, the PCM determines that variable intake air solenoid valve circuit has malfunction.

P0662 Variable intake air solenoid valve circuit high input

• The PCM monitors the variable intake air solenoid valve control signal. If the PCM turns variable intake air solenoid valve on but voltage at PCM terminal still remains high, the PCM determines that the variable intake air solenoid valve circuit has malfunction.

P0703 Brake switch input circuit problem

• The PCM monitors changes in input voltage from the brake switch. If the PCM does not detect the voltage changes while alternately accelerating and decelerating 8 times, the PCM determines that brake switch circuit has malfunction.

P0704 Clutch pedal position (CPP) switch input circuit problem

• The PCM monitors changes in input voltage from the CPP switch. If the PCM does not detect the voltage changes while the vehicle runs with vehicle speed above 30 km/h {19 mph} and stops 8 times alternately, the PCM determines that the CPP switch circuit has malfunction.

P0850 Neutral switch input circuit problem

• The PCM monitors changes in input voltage from the neutral switch. If the PCM does not detect the voltage changes while running vehicle with vehicle speed above 30 km/h {19 mph} and clutch pedal turns press and depress 10 times repeatedly, the PCM determines that the neutral switch circuit has malfunction

P1260 Immobilizer system problem

• The instrument cluster detects an immobilizer system malfunction.

P2009 Variable tumble solenoid valve circuit low input

• The PCM monitors variable tumble solenoid valve control signal. If the PCM turns variable tumble solenoid valve off but voltage still remains low, the PCM determines that variable tumble solenoid valve circuit has malfunction.

P2010 Variable tumble solenoid valve circuit high input

• The PCM monitors the variable tumble solenoid valve control signal. If the PCM turns variable tumble solenoid valve on but the voltage still remains high, the PCM determines that the variable tumble solenoid valve circuit has malfunction.

P2088 Oil control valve (OCV) circuit low

• The PCM monitors the OCV voltage. If the PCM detects the OCV control voltage (calculated from the OCV) is below the threshold voltage (calculated from the battery positive voltage), the PCM determines that the OCV circuit has a malfunction.

P2089 Oil control valve (OCV) circuit high

• The PCM monitors the OCV voltage. If the PCM detects the OCV control voltage (calculated from the OCV) is above the threshold voltage (calculated from battery positive voltage), the PCM determines that the OCV circuit has a malfunction.

P2096 Target A/F feedback system too lean

• The PCM monitors the target A/F fuel trim when under the target A/F feedback control. If the fuel trim is more than the specification, the PCM determines that the target A/F feedback system is too lean.

P2097 Target A/F feedback system too rich

• The PCM monitors the target A/F fuel trim when under the target A/F feedback control. If the fuel trim is less than specification, the PCM determines that the target A/F feedback system is too rich.

P2100 Throttle actuator circuit open

• The PCM monitors the electronic throttle valve motor current. If the PCM detects the electronic throttle valve motor current is below the threshold current, the PCM determines that the electronic throttle valve motor circuit has a malfunction.

P2101 Throttle actuator circuit range/performance

• If any of the following conditions continue for a specified period of time or more the PCM detects a malfunction in the throttle actuator.

― The voltage of the motor power supply is 4 V or less while the motor relay is on

― There is a system error in the electrical throttle control system of the PCM

― The temperature of the electrical throttle control system in the PCM is 180 °C {356 °F}

P2102 Throttle actuator circuit low input

• The PCM monitors the throttle actuator circuit current. If the PCM detects that throttle actuator circuit current is excessive low, the PCM determines that the throttle actuator circuit has a malfunction.

P2103 Throttle actuator circuit high input

• The PCM monitors the throttle actuator circuit current. If the PCM detects that throttle actuator circuit current is excessive high, the PCM determines that the electronic throttle actuator circuit has a malfunction.

P2107 Throttle actuator control module processor error

• Throttle actuator control module internal processor error

P2108 Throttle actuator control module performance error

• PCM detects either following conditions, PCM determines that throttle actuator control system has malfunction.

― TP sensor power supply voltage below 4.4 V

― TP sensor No.1 output voltage below 0.20 V or above 4.85 V (DTC P0122 or P0123)

― TP sensor No.2 output voltage below 0.20 V or above 4.85 V (DTC P0222 or P0223)

― PCM internal circuit for TP sensor No.1 input circuit malfunction.

P2119 Throttle actuator control throttle body range/performance problem

• The PCM compares the TP with the default TP when the ignition switch is off. If the TP is higher than the default TP, the PCM determines that there is a throttle actuator control throttle body range/performance problem.

P2122 Accelerator pedal position (APP) sensor No.1 circuit low input

• The PCM monitors the input voltage from APP sensor No.1 when the engine is running. If the input voltage is less than 0.12 V, the PCM determines that the APP sensor No.1 circuit input voltage is low.

P2123 Accelerator pedal position (APP) sensor No.1 circuit high input

• The PCM monitors the input voltage from APP sensor No.1 when the engine is running. If the input voltage is above 4.8 V, the PCM determines that the APP sensor No.1 circuit input voltage is high.

P2126 Accelerator pedal position (APP) sensor No.2 circuit range/performance problem

• The PCM monitors the APP sensor duty signal. If the input signal (duty signal) is too high or too low than the set value, or the input signal intervals are too short or too long, the PCM determines that the APP sensor No.2 has a malfunction.

P2127 Accelerator pedal position (APP) sensor No.2 circuit low input

• The PCM monitors the input voltage from APP sensor No.2 when the engine is running. If the input voltage is below 6 V for 1s, the PCM determines that the APP sensor No.2 circuit has malfunction.

P2128 Accelerator pedal position (APP) sensor No.2 circuit high input

• The PCM monitors the input voltage from APP sensor No.2 when the engine is running. If the input voltage is more than 6 V for 1s, the PCM determines that the APP sensor No.2 circuit has malfunction.

P2135 TP sensor No.1/No.2 voltage correlation problem

• The PCM compares the input voltage from TP sensor No.1 with the input voltage from TP sensor No.2 when the engine is running. If the difference is more than the specification, the PCM determines that there is a TP sensor No.1/No.2 voltage correlation problem.

P2138 APP sensor No.1/No.2 voltage correlation problem

• The PCM compares the input voltage from APP sensor No.1 with the input voltage from APP sensor No.2 when the engine is running. If the difference is more than the specification, the PCM determines that there is an APP sensor No.1/No.2 angle correlation problem.

P2177 Fuel system too lean at off idle

• The PCM monitors short term fuel trim (SHRTFT), long term fuel trim (LONGFT) during closed loop fuel control at off-idle. If the LONGFT and the sum total of these fuel trims exceed preprogrammed criteria. PCM determines that fuel system is too lean at off-idle.

P2178 Fuel system too rich at off idle

P2187 Fuel system too lean at idle

• The PCM monitors short term fuel trim (SHRTFT) and long term fuel trim (LONGFT) during closed loop fuel control at idle. If the LONGFT and the sum total of these fuel trims exceed preprogrammed criteria. PCM determines that fuel system is too lean at idle.

P2188 Fuel system too rich at idle

• The PCM monitors short term fuel trim (SHRTFT), long term fuel trim (LONGFT) during closed loop fuel control at idle. If the LONGFT and the sum total of these fuel trims exceed preprogrammed criteria. PCM determines that fuel system is too rich at idle.

P2195 A/F sensor signal stuck lean

• The PCM monitors the A/F sensor output current when the following conditions are met. If the average output current is more than 1.2 A for 25 s, the PCM determines that the A/F sensor signal remains lean.

MONITORING CONDITION

― ECT: more than 70 °C {158 °F}

― Engine speed: 1,000—3,200 rpm

― Target A/F feedback system status: feedback control

― Charging efficiency: 20—62.5%

― Output voltage from the HO2S: more than 0.2 V

P2196 A/F sensor signal stuck rich

• The PCM monitors the A/F sensor output current when the following conditions are met. If the average output current is less than 0.85 A for 25 s, the PCM determines that the A/F sensor signal remains rich.

MONITORING CONDITION

― ECT: more than 70 °C {158 °F}

― Engine speed: 1,000—3,200 rpm

― Charging efficiency: 20—62.5%

― Output voltage from the HO2S: less than 0.7 V

P2228 BARO sensor circuit low input

• PCM monitors the input voltage from the BARO sensor. If the input voltage at the PCM is below 1.95 V, the PCM determines that the BARO sensor circuit has a malfunction.

P2229 BARO sensor circuit high input

• PCM monitors the input voltage from the BARO sensor. If the input voltage at the PCM is above 4.45 V, the PCM determines that the BARO sensor circuit has a malfunction.

P2237 A/F sensor positive current control circuit open

• The PCM monitors A/F sensor positive current control circuit voltage. If the voltage is not changed against the PCM control value while the engine running, the PCM determines that the A/F sensor positive current control circuit is open.

P2251 A/F sensor negative current control circuit open

• The PCM monitors A/F sensor negative current control circuit voltage. If the voltage is not changed against the PCM control value while the engine running, the PCM determines that the A/F sensor negative current control circuit is open.

P2502 Charging system voltage problem

• The PCM judges generator output voltage is above 17 V or battery voltage is below 11 V during engine running.

P2503 Charging system voltage low

• The PCM needs more than 20 A from generator, and judges generator output voltage to be below 8.5 V during engine running.

P2504 Charging system voltage high

• The PCM judges generator output voltage is above 18.5 V or battery voltage is above 16.0 V during engine running.

P2507 PCM B+ voltage low

• The PCM monitors the voltage of back-up battery positive terminal at PCM terminal 1BA. If the PCM detected battery positive terminal voltage below 2.5 V for 2 s, the PCM determines that the backup voltage circuit has malfunction.