Test E

PINPOINT TEST E: DTCS B1990 and B2275: PEDAL FORWARD/REARWARD FEEDBACK CIRCUIT FAULT

Normal Operation
Depending on pedal position, the adjustable pedal potentiometer sends a resistance through feed back circuit 1491 (LB/YE) to the driver seat module (DSM); that value is stored in the DSM memory for recalling the position of the adjustable pedals.

Circuit 446 (OG/WH) carries a reference voltage from the DSM to the adjustable pedal potentiometer.

Circuit 447 (OG/RD) carries return voltage from the adjustable pedal potentiometer to the other DSM controlled memory system components.

Tests E1 - E2:

Tests E3 - E5:

Possible Causes
^ circuit 1491 (LB/YE) short to power, short to ground, open
^ circuit 446 (OG/WH) short to power, short to ground, open
^ circuit 447 (OG/RD) short to power, short to ground, open
^ DSM
^ adjustable pedal motor