Tests AA: The Individual Trailer Lamp Is Inoperative - RH Stop/Turn Lamp

PINPOINT TEST AA: THE INDIVIDUAL TRAILER LAMP IS INOPERATIVE - RH STOP/TURN LAMP

Normal Operation
Voltage to the RH trailer stop/turn lamp is supplied by the smart junction box (SJB) through circuit CAT09 (GN).

- DTC B2070 (Trailer Tow Relay Coil(s) Circuit Failure) - is a continuous DTC that sets when the SJB detects a short to ground from the RH trailer stop/turn lamp voltage supply circuit. The self-test must be run after the repair in order for the SJB to enable the output for the RH trailer stop/turn lamp voltage supply. A trailer equipped with too many RH stop/turn bulbs may also set the DTC.

This pinpoint test is intended to diagnose the following:
- Trailer equipped with too many bulbs
- Wiring, terminals or connectors
- Trailer tow connector
- Trailer
- SJB

AA1-AA6:

AA6-AA7:

AA8-AA9: