Operation CHARM: Car repair manuals for everyone.

Test D

PINPOINT TEST D: DTCS B1987, B1988, AND B1989-PEDAL FORWARD/REARWARD MOTOR STALLED

Normal Operation
The two-way adjustable pedal motor receives power from the driver seat module (DSM) through circuit 1489 (LB/BK) (forward) and circuit 1490 (LB/OG) (rearward). The motor runs until the manual switch is released, until the travel limit is reached, or until the stored memory position is reached.

Tests D1 - D3:




Tests D4 - D5:





Possible Causes
^ circuit 1489 (LB/BK) short to power
^ circuit 1490 (LB/OG) short to power
^ adjustable pedal switch
^ adjustable pedal motor