Test B: The Auxiliary Climate Control Illumination Is Inoperative (If Equipped)

PINPOINT TEST B: THE AUXILIARY CLIMATE CONTROL ILLUMINATION IS INOPERATIVE (IF EQUIPPED)

Normal Operation
The smart junction box (SJB) supplies a pulse-width modulated (PWM) voltage to the auxiliary climate control illumination on circuit CLN04 (BU/BN). Ground for the auxiliary climate control illumination is through circuit GD149 (BK/GY).

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Auxiliary climate control

Test B: The Auxiliary Climate Control Illumination Is Inoperative (If Equipped)

B1-B2:

B2 Continued: