Description
ECM supplies a voltage of 5.0 V to some of the sensors systematically divided into 2 groups, respectively.
Accordingly, when a short circuit develops in a sensor power source, a malfunction may occur simultaneously in the sensors belonging to the same group as the shorted-circuit sensor.
Sensor power supply 1
NOTE:
If sensor power supply 1 circuit is malfunctioning, DTC P0643 is displayed.
Sensor power supply 2
Diagnosis Procedure
1.CHECK ACCELERATOR PEDAL POSITION SENSOR 2 POWER SUPPLY CIRCUIT-1

Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 2.
2.CHECK ACCELERATOR PEDAL POSITION SENSOR 2 POWER SUPPLY CIRCUIT-2
CVT models
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace error-detected parts.
3.CHECK SENSOR POWER SUPPLY CIRCUITS
Check harness for short to power and short to ground, between the following terminals.
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK COMPONENTS
Check the following.
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace malfunctioning component.
5.CHECK APP SENSOR
Check APP sensor. Refer to EC-436, "Component Inspection (APP Sensor)".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Replace accelerator pedal assembly. Refer to ACC-3, "Removal and Installation".
P2138 APP Sensor
Brake pedal position switchRear window and outside mirror (if so equipped)
defroster switch
To defrost the rear window glass and outside
mirror (if so equipped), start the engine and push
the rear window defroster switch on. The rear
window defroster indicator light on the switch
comes on. Push the switch again to turn the
defroster off.
The rear window defroster automatically ...
The parking brake release warning continues displaying, or does not display
Description
The parking brake warning is displayed while driving the vehicle even
though the parking brake is released.
The parking brake warning is not displayed while driving the vehicle
even though the parking brake is
applied.
Diagnosis procedure
1.Check parking brake warning l ...
Preparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Commercial Service Tool
...