Circuit Description
The body control module (BCM) monitors the rear washer motor circuit 392. When
a rear windshield wash is requested for more than two minutes, circuit 392 at battery
voltage, the BCM will turn off the rear wiper motor if the rear wiper is NOT requested
by the wiper switch.
Power for the rear washer motor is supplied through the front wiper fuse and
rear washer switch. Grounding for the rear washer motor is through the OFF position
of the front washer motor switch.
Conditions for Setting the DTC
| • | Rear washer circuit 392 at battery voltage for two minutes |
| • | No telltale illumination |
Diagnostic Aids
| • | Inspect wiring harness for damage. Check for broken or chaffed insulation. |
| • | If fault is suspected to be intermittent, wiggling harness wiring may
help in locating fault. |
