FAIL-SAFE FUNCTION[GF4AX-EL]
id050204100600
DTC No. |
On-board diagnostic function |
Detection condition |
Fail-safe |
TCC |
---|---|---|---|---|
P0500
|
Vehicle speed signal circuit malfunction
|
• No vehicle speed signal is input to PCM when and engine coolant temperature is 60 °C {140 °F} or more, input/turbine speed sensor signal is 1,050 rpm or more and selector lever position is at D, 2, or 1 range.
|
• PCM calculation from input/turbine speed sensor signal
|
Enabled
|
P0705
|
Transaxle range (TR) switch circuit malfunction (short to ground)
|
• Two or more range signals are input from TR switch for 100 s or more.
|
• The range position is assumed to be in D range and normal shift pattern is performed.
|
Enabled
|
P0706
|
Transaxle range (TR) switch circuit malfunction (open circuit)
|
• No transaxle range signal is input to PCM when and engine speed is 530 rpm or more, vehicle speed is 20 km/h {12 mph} or more and selector lever position is at R, D, 2, or 1 range.
|
• Gear position is fixed in 1GR when driving at under 6 km/h {3.7 mph} or in 3GR when driving at over 6 km/h {3.7 mph} if either of the following conditions arises:
|
Enabled
|
P0711
|
Transaxle fluid temperature (TFT) sensor circuit range/performance (stuck)
|
• Fluctuation value of TFT sensor output voltage to PCM terminal 1U is 20 °C {68 °F} or less (3.6 V or more) when vehicle is driven for 150 s or more at vehicle speed between 25—59 km/h {15—36 mph}, then 60 km/h {37 mph} or more for 100 s or more.
|
N/A
|
Enabled
|
P0712
|
Transaxle fluid temperature (TFT) sensor circuit malfunction (short to ground)
|
• Input voltage from the TR switch to PCM terminal 1U is 0.09 V or less.
|
• Maximizes line pressure
• Expand the lockup range
|
Enabled
|
P0713
|
Transaxle fluid temperature (TFT) sensor circuit malfunction (open circuit)
|
• Input voltage from the TR switch to PCM terminal 1U is 4.9 V or more when the vehicle speed is 20 km/h {12 mph} or more.
|
Enabled
|
|
P0715
|
Input/turbine speed sensor circuit malfunction
|
• No input/turbine speed sensor signal to PCM terminals 1M and 1Q when vehicle speed is 41 km/h {25 mph} or more and selector lever position is at D, 2, or 1 range.
|
• Shift control is performed according to vehicle speed signal
• Inhibits 4GR
|
Disabled
|
P0731
|
Gear 1 incorrect (incorrect gear ratio detected)
|
• Revolution ratio of input/turbine speed sensor to vehicle speed signal is 75 or less while in 1GR.
|
N/A
|
Enabled
|
P0732
|
Gear 2 incorrect (incorrect gear ratio detected)
|
• Revolution ratio of input/turbine speed sensor to vehicle speed signal is 44 or less or 75 or more while in 2GR.
|
N/A
|
Enabled
|
P0733
|
Gear 3 incorrect (incorrect gear ratio detected)
|
• Revolution ratio of input/turbine speed sensor to vehicle speed signal is 29 or less or 44 or more while in 3GR.
|
N/A
|
Enabled
|
P0734
|
Gear 4 incorrect (incorrect gear ratio detected)
|
• Revolution ratio of input/turbine speed sensor to vehicle speed signal is 29 or more while in 4GR.
|
N/A
|
Enabled
|
P0741
|
Torque converter clutch (TCC) stuck off
|
• Difference between engine speed and turbine speed more than 100 rpm while in 4GR and TCC operation.
|
N/A
|
Enabled
|
P0743
|
Torque converter clutch (TCC) control solenoid valve circuit malfunction
|
• If voltage is stuck at 0 V or B+ in TCC control solenoid valve control terminal 65 of the PCM when the solenoid valve operates according to PCM calculation.
|
• Maximizes line pressure
|
Disabled
|
P0745
|
Pressure control solenoid valve circuit malfunction
|
• If voltage is stuck at 0 V or B+ in pressure control solenoid control valve control terminal 91 of the PCM when the solenoid valve operates according to PCM calculation.
|
• Pressure control solenoid valve operation is stopped and line pressure held at maximum
|
Disabled
|
P0753
|
Shift solenoid A circuit malfunction
|
• If voltage is stuck at 0 V or B+ in shift solenoid A control terminal 92 of the PCM when the solenoid valve operates according to PCM calculation.
|
• If one or two shift solenoid valves develop a malfunction, remaining normal shift solenoid valves are controlled to prevent loss of driveability as much as possible
• If all shift solenoid valves develop malfunctions, then operation of all shift solenoid valves is stopped, and if in D or 2 range, then fixed in 3rd gear, or if in 1 range, then fixed in 1st gear
|
Disabled
|
P0758
|
Shift solenoid B circuit malfunction
|
• If voltage is stuck at 0 V or B+ in shift solenoid B control terminal 66 of the PCM when the solenoid valve operates according to PCM calculation.
|
Disabled
|
|
P0763
|
Shift solenoid C circuit malfunction
|
• If voltage is stuck at 0 V or B+ in shift solenoid C control terminal 40 of the PCM when the solenoid valve operates according to PCM calculation.
|
Disabled
|
|
P0768
|
3-2 timing solenoid valve circuit malfunction
|
• If voltage is stuck at 0 V or B+ in 3-2 timing solenoid valve control terminal 39 of the PCM when the solenoid valve operates according to PCM calculation.
|
• Operation of 3-2 timing solenoid valve is stopped
|
Disabled
|
P1783
|
ATF overheating
|
• ATF temperature is 138 °C {280 °F} or more.
|
N/A
|
Enabled
|