Test D
PINPOINT TEST D: DTC B1990: PEDAL FORWARD/REARWARD POTENTIOMETER FEEDBACK CIRCUIT FAILURETests D1 - D5:
Normal Operation
The adjustable brake and accelerator pedals with memory feature are controlled by the FEM and are operational with the ignition switch ON or OFF. The FEM supplies power to the adjustable pedal 2-way motor until the switch is released, or until the travel limit is reached. The memory feature allows the driver to program a personalized pedal position that can be recalled using the memory switches or remote keyless entry transmitters.
Possible Causes
^ circuit 8-AL18 (WH/RD) open, short to power, short to ground
^ circuit 7-AL18 (YE/RD) open, short to power, short to ground
^ circuit 9-AL18 (BN/RD) open, short to power, short to ground
^ FEM
^ adjustable pedal potentiometer