Operation CHARM: Car repair manuals for everyone.

Test Y

PINPOINT TEST Y: THE 4X4 HIGH/AWD LOCK INDICATOR IS NEVER/ALWAYS ON


Test Y1-Y4:






Normal Operation
The 4X4 high/AWD indicator status is transmitted to the instrument cluster from the four-wheel drive control module through the UART based protocol (UBP) communication network, circuit 693 (OG).

Possible Causes
- four-wheel drive module
- instrument cluster