DTC DETECTION LOGIC AND CONDITIONS [ZY]

id0102d3100300

P0011 CMP-timing over-advanced

• The actual valve timing is over-advanced from the target valve timing when the OCV is controlled within the maximum valve timing retard condition.

P0012 CMP-timing over-retarded

• The actual valve timing is over-retarded from the target valve timing when the OCV system control is within feed-back range.

P0030 Front HO2S heater control circuit problem

• The PCM monitors the front HO2S impedance when under the front HO2S heater control for 200 s. If the impedance is more than 44 ohms while PCM turns front HO2S heater on, the PCM determines that there is a front HO2S heater control circuit problem.

P0031 Front HO2S heater control circuit high

• The PCM monitors the front HO2S heater control voltage when the PCM turns the front HO2S heater off. If the control voltage exceeds 50 % of the battery voltage, the PCM determines that the front HO2S heater control circuit voltage is high.

Note

• Front HO2S heater is controlled by duty signal.

P0032 Front HO2S heater control circuit low

• The PCM monitors the front HO2S heater control voltage when the PCM turns the front HO2S heater on. If the control voltage is less than 50% of the battery voltage, the PCM determines that the front HO2S heater control circuit voltage is low.

Note

• Front HO2S heater is controlled by duty signal.

P0037 Rear HO2S heater control circuit high

• The PCM monitors the rear HO2S heater control voltage when the PCM turns the rear HO2S heater off. If the control voltage exceeds 25% of the battery voltage, the PCM determines that the rear HO2S heater control circuit voltage is high.

P0038 Rear HO2S heater control circuit low

• The PCM monitors the rear HO2S heater control voltage when the PCM turns the rear HO2S heater on. If the control voltage is less than 57% of the battery voltage, the PCM determines that the rear HO2S heater control circuit voltage is low.

P0101 MAF sensor circuit range/performance problem

• The PCM compares the actual MAF amount with the expected MAF amount when the engine is running.

― If the throttle opening angle is more than 50% and the MAF amount is less than 9 g/s {1.2 lb/min} (less than 1.4 V), the PCM determines that there is a MAF sensor circuit range/performance problem.

― If the ECT is more than 70 °C {158 °F}, the engine speed is less than 2,000 rpm and the MAF amount is more than 65 g/s {8.6 lb/min} (more than 2.8 V), the PCM determines that there is a MAF sensor circuit range/performance problem.

P0102 MAF sensor circuit low input

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

P0103 MAF sensor circuit high input

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

P0107 MAP sensor circuit low input

• The PCM monitors input voltage from the MAP sensor. If the input voltage is less than 0.1 V, the PCM determines that the MAP sensor circuit has a malfunction.

P0108 MAP sensor circuit high input

• The PCM monitors the input voltage from the MAP sensor. If the input voltage is more than 4.8 V, the PCM determines that the MAP sensor circuit has a malfunction.

P0111 IAT sensor circuit range/performance problem

• The PCM compares the IAT with the ECT when the engine is running. If the IAT is higher than the ECT by 40 °C {104 °F}, the PCM determines that there is an IAT sensor circuit range/performance problem.

P0112 IAT sensor circuit low input

• The PCM monitors the input voltage from the IAT sensor. If the PCM detects that the IAT sensor voltage is less than 0.16 V, the PCM determines that the IAT sensor circuit has a malfunction.

P0113 IAT sensor circuit high input

• The PCM monitors the input voltage from the IAT sensor. If the input voltage is more than 4.8 V, the PCM determines that the IAT sensor circuit has a malfunction.

P0117 ECT sensor circuit low input

• The PCM monitors the input voltage from the ECT sensor. If the PCM detects that the ECT sensor voltage is less than 0.20 V, the PCM determines that the ECT sensor circuit has a malfunction.

P0118 ECT sensor circuit high input

• The PCM monitors the input voltage from the ECT sensor. If the PCM detects that the ECT sensor voltage is more than 4.9 V, the PCM determines that the ECT sensor circuit has a malfunction.

P0122 TP sensor No.1 circuit low input

• If the PCM detects that the TP sensor No.1 voltage is less than 0.10 V while the engine is running, the PCM determines that the TP sensor No.1 circuit has a malfunction.

P0123 TP sensor No.1 circuit high input

• If the PCM detects that the TP sensor No.1 voltage is more than 4.9 V after the ignition switch is turned to the ON position, the PCM determines that the TP sensor No.1 circuit has a malfunction.

P0125 Insufficient coolant temperature for closed loop fuel control

• The PCM monitors the ECT after cold engine start. If the ECT does not reach the specification in a certain period, the PCM determines that the engine coolant temperature for closed loop fuel control is insufficient.

P0130 Front HO2S circuit problem

• The PCM monitors the front HO2S impedance when under the front HO2S heater control. If the impedance is more than 500 ohms, the PCM determines that there is a front HO2S circuit problem.

P0131 Front HO2S circuit low input

• The PCM monitors the input signal from the front HO2S and the front HO2S output current when the engine is running. If the input signal is less than 1.8 V or the output current is less than –5 mA, the PCM determines that the front HO2S circuit voltage is low.

P0132 Front HO2S circuit high input

• The PCM monitors the input signal from the front HO2S and the front HO2S output current when the engine is running. If the input signal is 3.8 V or more or output current is 5 mA or more, the PCM determines that the front HO2S circuit voltage is high.

P0133 Front HO2S circuit slow response

• Front HO2S malfunction is detected by measuring of the average frequency of front HO2S signal, time required to pass from rich to lean, time required to pass from lean to rich. the average frequency of front HO2S signal is more than the threshold value.

MONITORING CONDITIONS

― Following conditions are met:

• ECT sensor and front HO2S heater are normal.

• Engine speed: 1,750—3,500

• Charging efficiency: 35—59% (Engine speed is 2,500 rpm)

• Fuel system loop status is closed loop fuel control.

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

P0134 Front HO2S circuit no activity detected

• If the front HO2S impedance is 220 ohms or more even though 40 s or more has elapsed since the engine was started.

P0138 Rear HO2S circuit high input

• The PCM monitors the input voltage from the rear HO2S when the engine is running. If the input voltage is 1.2 V or more for 0.8 s or more, the PCM determines that the rear HO2S circuit voltage is high.

P0140 Rear HO2S circuit no activity detected

• The PCM monitors the input voltage from the rear HO2S when the engine is running. If the input voltage from the rear HO2S never exceeds 0.55 V for 30.4 s or more, the PCM determines that the rear HO2S circuit is not activated.

P0222 TP sensor No.2 circuit low input

• The PCM monitors the input voltage from the TP sensor No.2 when the engine is running. If the input voltage is less than 0.10 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 the TP sensor No.2 when the engine is running. If the input voltage is more than 4.9 V, the PCM determines that the TP sensor No.2 circuit input voltage is high.

P0300 Random misfire detected

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

P0301, P0302, P0303, P0304 Each cylinder misfire detected

• The PCM monitors the 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 the number of misfires that occurred at 200 crankshaft revolutions and 1,000 crankshaft revolutions and calculates the misfire ratio for each crankshaft revolution. If the ratio exceeds the preprogrammed criteria, the PCM determines that a misfire, which can damage the catalytic converter or affect emission performance, has occurred.

P0327 KS circuit low input

• The PCM monitors the input signal from the KS when the engine is running. If the input voltage is less than 1.25 V, the PCM determines that the KS circuit has a malfunction.

P0328 KS circuit high input

• The PCM monitors the input signal from the KS when the engine is running. If the input voltage is more than 3.75 V, the PCM determines that the 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 or more while the MAF is 1.43 g/s {0.189 lb/min} or more, the PCM determines that there is a CKP sensor circuit problem.

• 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 for 13 consecutive engine rotations, the PCM determines that there is a CMP sensor circuit problem.

P0351 Ignition coil No.1 control circuit malfunction

• If the PCM detects an abnormal voltage value when ignition coil No.1 is energized under the following monitoring conditions, the PCM determines that the ignition coil No.1 control circuit has a malfunction.

MONITORING CONDITIONS

― Engine speed is less than 3,000 rpm.

― Battery voltage 9—16.5 V

P0352 Ignition coil No.2 control circuit malfunction

• If the PCM detects an abnormal voltage value when ignition coil No.2 is energized under the following monitoring conditions, the PCM determines that the ignition coil No.2 control circuit has a malfunction.

MONITORING CONDITIONS

― Engine speed is less than 3,000 rpm.

― Battery voltage 9—16.5 V

P0353 Ignition coil No.3 control circuit malfunction

• If the PCM detects an abnormal voltage value when ignition coil No.3 is energized under the following monitoring conditions, the PCM determines that the ignition coil No.3 control circuit has a malfunction.

MONITORING CONDITIONS

― Engine speed is less than 3,000 rpm.

― Battery voltage 9—16.5 V

P0354 Ignition coil No.4 control circuit malfunction

• If the PCM detects abnormal voltage value when ignition coil No.4 is energized under the following monitoring conditions, the PCM determines that the ignition coil No.4 control circuit has a malfunction.

MONITORING CONDITIONS

― Engine speed is less than 3,000 rpm.

― Battery voltage 9—16.5 V

P0401 EGR flow insufficient detected

• If the fluctuation in intake manifold pressure (3 times average value) is too low when the EGR value opens/closes.

P0403 EGR control circuit problem

• The PCM monitors the EGR valve control signal. If the voltage of the EGR valve control signal remains low or high, the PCM determines that there is the EGR control circuit problem.

P0421 Warm up Catalyst system efficiency below threshold

• The PCM compares the number of the front HO2S and rear HO2S inversions for a predetermined time. The PCM monitors the number of inversions the rear side performs while the front side inverts for a specified number of times when the following monitoring conditions are met. The PCM detects the inversion ratio. If inversion ratio is below the threshold, the PCM determines that the catalyst system has deteriorated.

MONITORING CONDITION

― Engine speed is 1,500— 3,000 rpm.

― Calculated TWC temperature in PCM is more than 400 °C {752 °F}.

― Calculated load is 21— 48 %. (at engine speed is 2,000 rpm)

P0443 Purge solenoid valve circuit problem

• The PCM monitors the purge solenoid valve control signal. If the voltage of the purge solenoid valve control signal remains low or high, the PCM determines that there is the purge solenoid valve control circuit problem.

P0480 Cooling fan relay No.1 control circuit malfunction

• The PCM monitors the cooling fan relay No.1 control signal. If the voltage remain low or high, the PCM determines that the cooling fan relay No.1 control has a malfunction.

P0481 Cooling fan relay No.2 control circuit malfunction

• The PCM monitors the cooling fan relay No.2 control signal. If the voltage remain low or high, the PCM determines that the cooling fan relay No.2 control has malfunction.

P0500 VSS circuit problem

With ABS, Without ABS (MTX)

• The PCM monitors the vehicle speed signal when the following conditions are met. If the vehicle speed signal is less than 3.76 km/h {2.33 mph} for 14 s or more, the PCM determines that there is a VSS circuit malfunction.

― Load condition

― Charging efficiency: 40.0% or more

― Engine speed: 2,500 rpm or more

― Brake switch is off

Without ABS (ATX)

• If the AT control part detects a speed sensor malfunction.

P0505 Idle air control problem

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

P0506 Idle air control system RPM lower than expected

• The PCM compares the actual idle speed with the target idle speed when the engine is running. If the actual idle speed is lower than targeted by 100 rpm, the PCM determines that the idle air control system RPM is lower than expected.

P0507 Idle air control system RPM higher than expected

• The PCM compares the actual idle speed with the target idle speed when the engine is running. If the actual idle speed is higher than targeted by 200 rpm, the PCM determines that the idle air control system RPM is higher than expected.

P0537 Evaporator temperature sensor circuit low input

• The PCM monitors the input voltage from the evaporator temperature sensor. If the input voltage is less than 0.08 V, the PCM determines that the evaporator temperature sensor circuit has a malfunction.

P0538 Evaporator temperature sensor circuit high input

• The PCM monitors the input voltage from the evaporator temperature sensor. If the input voltage is more than 4.9 V, the PCM determines that the evaporator temperature sensor circuit has a malfunction.

P0601 PCM memory check sum error

• PCM internal malfunction.

P0602 PCM programming error

• No configuration data in the PCM.

P0604 PCM random access memory error

• PCM internal random access memory error.

P0606 PCM processor

• PCM internal malfunction.

P0610 PCM vehicle configuration error

• 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.

P0660 Variable intake air control circuit malfunction

• The PCM monitors the variable intake air control signal. If the PCM turns the variable intake air shutter valve actuator to open or close but the voltages do not coincide with the PCM signal voltages, the PCM determines that the variable intake air control circuit has a malfunction.

• The PCM could not perform the self-test for the variable intake air control circuit.

P0668 PCM temperature sensor circuit low input

• The PCM monitors the PCM temperature sensor (integrated in the PCM) signal. If the PCM detects that the PCM temperature sensor voltage is less than the specification, the PCM determines that the PCM temperature sensor has a malfunction.

P0669 PCM temperature sensor circuit high input

• The PCM monitors the PCM temperature sensor (integrated the PCM) signal. If the PCM detects that the PCM temperature sensor voltage is more than the specification, the PCM determines that the PCM temperature sensor has a malfunction.

P0703 Brake switch input circuit problem

• The PCM monitors the input signal from the brake switch when the following conditions are met. If the input signal does not change while alternately accelerating and decelerating 8 times, the PCM determines that there is a brake switch input circuit malfunction.

MONITORING CONDITION

― Vehicle speed: decelerating more than 30 km/h {19 mph} to 0 km/h {0 mph}

― Deceleration: more than 4 km/h {2 mph} per s

P0704 CPP switch input circuit problem

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

P0850 Neutral switch input circuit problem

• The PCM monitors the input signal from the neutral switch when the vehicle is running. If the input signal does not change while alternately running more than 30 km/h {19 mph} 8 times, the PCM determines that there is a neutral switch input circuit malfunction.

P1384 Oil Control Valve (OCV) circuit malfunction

• If any of the following conditions are met during the KOER self-test.

― The PCM cannot control the actual valve timing at the target valve timing.

― The PCM cannot hold the valve timing.

P1515 Current sensor circuit problem

• The PCM monitors the input voltage from the current sensor. If the input voltage is less than 0.24 V or more than 4.65 V, the PCM determines that there is a current sensor circuit problem.

P2008 Variable tumble control circuit malfunction

• The PCM monitors the variable tumble control signal. If the PCM turns the variable tumble shutter valve actuator to open or close but voltages do not coincide with the PCM signal voltages the PCM determines that the variable tumble control circuit has a malfunction.

• Variable tumble control IC error.

P2016 Variable tumble shutter valve switch circuit low

• The PCM monitors the input voltage from the variable tumble shutter valve switch. If the input voltage is less than 0.06 V, the PCM determines that the variable tumble shutter valve switch circuit voltage is low.

P2017 Variable tumble shutter valve switch circuit high

• The PCM monitors the input voltage from the variable tumble shutter valve switch. If the input voltage is 4.9 V or more, the PCM determines that the variable tumble shutter valve switch circuit voltage is high.

P2088 Variable valve timing control circuit low

• If the PCM detects that the OCV drive current is less than the specification^* when the OCV control duty target is approx. 99 %, the PCM determines that the variable valve timing control circuit low.

*: Detected specification value depends on the battery voltage.

P2089 Variable valve timing control circuit high

• If the PCM detects that the OCV drive current is as specified or more when the OCV control duty target is 3 % or less, the PCM determines that the variable valve timing control circuit high.

P2096 Target A/F feedback system too lean

• If fuel correction amount corresponding to the rear HO2S target voltage exceeds the specified value while performing rear HO2S feedback correction.

P2097 Target A/F feedback system too rich

• If fuel correction amount corresponding to the rear HO2S target voltage is lower than the specified value while performing rear HO2S feedback correction.

P2101 Throttle actuator power supply line circuit problem

• The PCM monitors the input voltage from the drive-by-wire relay. The PCM turns the drive-by-wire relay on but the input voltage is 5.0 V or less, the PCM determines that the drive-by-wire relay control circuit voltage is low.

• The PCM monitors the input voltage from the drive-by-wire relay. The PCM turns the drive-by-wire relay off but the input voltage is 5.0 V or more, the PCM determines that the drive-by-wire relay control circuit voltage is high.

P2107 Throttle actuator control module processor error

• PCM internal malfunction.

P2108 Throttle actuator control module performance error

• PCM internal malfunction.

P2109 TP sensor minimum stop range/performance problem

• The PCM monitors the minimum TP when the closed TP learning is completed. If the TP is 0.339 V or less or 0.66V or more, the PCM determines that there is a TP sensor minimum stop range/performance problem.

P2112 Throttle actuator control system range/performance problem

• The PCM monitors the throttle actuator control duty ratio when the engine is running. If the duty ratio is 95% or more, the PCM determines that there is a throttle actuator control system range/performance problem.

P2119 Throttle actuator control throttle body range/performance problem

• The PCM compares the actual TP with initial setting TP when the ignition switch is turned off. If the TP is lower than the initial setting TP, the PCM determines that there is a throttle valve return spring malfunction.

P2122 APP sensor No.1 circuit low input

• The PCM monitors the input voltage from the APP sensor No.1 when the engine is running. If the input voltage is 0.35 V or less, the PCM determines that the APP sensor No.1 circuit input voltage is low.

P2123 APP sensor No.1 circuit high input

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

P2127 APP sensor No.2 circuit low input

• The PCM monitors the input voltage from the APP sensor No.2 when the engine is running. If the input voltage is 0.35 V or less, the PCM determines that the APP sensor No.2 circuit input voltage is low.

P2128 APP sensor No.2 circuit high input

• The PCM monitors the input voltage from the APP sensor No.2 when the engine is running. If the input voltage is 4.8 V or more, the PCM determines that the APP sensor No.2 circuit input voltage is high.

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

P2177 System too lean off idle

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

P2178 System too rich off idle

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

P2187 System too lean at idle

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

P2188 System too rich at idle

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

P2195 Front HO2S signal stuck lean

• The PCM monitors the front HO2S output current when the following conditions are met. If the output current is 1.2 A or more for 25 s, the PCM determines that the front HO2S signal remains lean.

MONITORING CONDITION

― ECT: 70 °C {158 °F} or more

― Engine speed: 1,000—3,200 rpm

― MAF amount: 6—80 g/s {0.80—10.58 lb/min}

― Target A/F feedback system status: feedback control

― Output voltage from the middle HO2S: 0.2 V or more

P2196 Front HO2S signal stuck rich

• The PCM monitors the front HO2S output current when the following conditions are met. If the output current is 0.85 A or less for 25 s, the PCM determines that the front HO2S signal remains rich.

MONITORING CONDITION

― ECT: 70 °C {158 °F} or more

― Engine speed: 1,000—3,200 rpm

― MAF amount: 6—80 g/s {0.80—10.58 lb/min}

― Target A/F feedback system status: feedback control

― Output voltage from the middle HO2S: 0.8 V or less

P2502 Charging system voltage problem

• The PCM determines that the generator output voltage is 17 V or more or the battery voltage is 11 V or less while the engine running.

P2503 Charging system voltage low

• The PCM needs 19.5 A or more from the generator, and determines that the generator output voltage is 8.49 V or less while the engine running.

P2504 Charging system voltage high

• The PCM determines that the generator output voltage is 18.5 V or more or battery voltage is 16.0 V or more while the engine running.

P2507 PCM power input signal low

• The PCM monitors the voltage of the backup battery positive. If the PCM detects that the battery positive terminal voltage is 2.5 V or less for 2 s, the PCM determines that the backup voltage circuit has a malfunction.