Test C: One Or More Module-Controlled Illumination Source(s) Is Inoperative

PINPOINT TEST C: ONE OR MORE MODULE-CONTROLLED ILLUMINATION SOURCE(S) INOPERATIVE

C1:

C1-C2:

C2 Continued:

Normal Operation
The smart junction box (SJB) sends a pulse-width modulated (PWM) voltage to the dimmable components through circuits VLN04 (VT/GY). Ground for the illumination source(s) is supplied through circuits GD116 (BK/VT), GD126 (BK/WH) and GD139 (BK/YE).

Possible Causes
- circuit CPW15 (YE) open
- circuit CPW16 (BU/OG) open
- circuit CPW17 (BN/GN) open
- circuit CPW18 (GY/VT) open
- circuit GD116 (BK/VT) open
- circuit GD126 (BK/WH) open
- circuit GD139 (BK/YE) open
- circuit VLN04 (VT/GY) open
- floor shifter
- memory seat switch (if equipped)
- manual temperature control (if equipped)
- message center switch
- window control switch(es) (Zephyr)
- door lock control switch(es) (Zephyr)
- headlamp switch
- traction control switch
- clock
- luggage compartment lid release switch
- SJB