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MALFUNCTION DETECTION FUNCTION
Malfunction Detection Function
• In the malfunction detection function, the TCM detects malfunctions in the automatic transmission while driving.
• When vehicle driving conditions correspond with a preset malfunction detection condition, the TCM determines
that the automatic transmission has a malfunction and stores the corresponding DTC.
• When a malfunction is detected, stored DTCs can be retrieved using the WDS or equivalent connected to the
DLC-2.
DTC Table
DTC No.
Transmission range (TR) switch circuit malfunction (short to
P0705
power supply)
Transmission range (TR) switch circuit malfunction (open
P0706
circuit/short to ground)
M range switch, up switch or down switch circuit malfunction
P0707
(open circuit/short to ground)
Steering shift switch circuit malfunction (open circuit/short to
P0708
ground)
Transmission fluid temperature (TFT) sensor malfunction
P0711
(stuck)
Transmission fluid temperature (TFT) sensor circuit
P0712
malfunction (short to ground)
Transmission fluid temperature (TFT) sensor circuit
P0713
malfunction (open circuit/short to power supply)
P0715
Turbine sensor circuit malfunction
Vehicle speed sensor (VSS) malfunction (open circuit/short to
P0720
ground)
P0731
Gear 1 incorrect (incorrect gear ratio detected)
P0732
Gear 2 incorrect (incorrect gear ratio detected)
P0733
Gear 3 incorrect (incorrect gear ratio detected)
P0734
Gear 4 incorrect (incorrect gear ratio detected)
P0740
TCC system malfunction
Torque converter clutch (TCC) solenoid valve circuit
P0743
malfunction (open circuit/short to ground or power supply)
Pressure control solenoid circuit malfunction (open circuit/short
P0748
to ground or power supply)
P0751
Shift solenoid A malfunction (stuck off)
Shift solenoid A circuit malfunction (open circuit/short to ground
P0753
or power supply)
Shift solenoid F circuit malfunction (open circuit/short to ground
P0758
or power supply)
P0761
Shift solenoid B malfunction (stuck off)
P0762
Shift solenoid B malfunction (stuck on)
Shift solenoid B circuit malfunction (open circuit/short to ground
P0763
or power supply)
P0766
Shift solenoid C malfunction (stuck off)
P0767
Shift solenoid C malfunction (stuck on)
Shift solenoid C circuit malfunction (open circuit/short to
P0768
ground or power supply)
P0841
Oil pressure switch B circuit malfunction
P0846
Oil pressure switch C circuit malfunction
P0871
Oil pressure switch F circuit malfunction
P0882
TCM B+ low
P0960
GND return circuit malfunction
P1759
2-4 brake fail-safe valve malfunction
P1764
Low and reverse brake fail-safe valve malfunction
05–02–2
ON-BOARD DIAGNOSTIC
Condition
AT warning
MIL
light
DC
illuminated
ON
YES
2
ON
YES
2
OFF
YES
1
OFF
YES
1
ON
NO
2
ON
YES
1
ON
YES
1
ON
YES
1
ON
YES
1
OFF
NO
1
OFF
NO
1
OFF
NO
1
OFF
NO
1
ON
NO
2
ON
YES
1
OFF
YES
1
ON
NO
2
ON
YES
1
ON
YES
1
ON
NO
2
ON
NO
2
ON
YES
1
ON
NO
2
ON
NO
2
ON
YES
1
OFF
YES
2
OFF
YES
2
OFF
YES
2
ON
NO
1
ON
YES
1
OFF
YES
2
OFF
YES
2
CHU050201026S03
×: Available
Monitor
Memory
item
function
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
×
CCM
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