B420 Retained Accessory Power Circuit

BCM Code B420 (Part 5 Of 5):

RAP Circuit:

DESCRIPTION:

If the relays could not be heard or felt switching each 3 seconds with B003 selected, the RAP relay circuits are suspect.

Numbers below refer to circled numbers on the diagnostic chart.

1. This checks for normal RAP functions, there by checking for faults in the RAP circuits.

NOTE ON INTERMITTENTS:

If an intermittent Code B420 is being set, manipulate the related wiring in output function and watch for relays to cycle.