Q: the Traction Control Switch Indicator Is Never/Always on

Pinpoint Test Q: The Traction Control Switch Indicator Is Never/Always On

Normal Operation
Circuit 1003 (GY/YE) provides voltage to the traction control switch. Ground for the traction control switch indicator lamp is provided and controlled by the anti-lock brake system (ABS) module through circuit 960 (BK/LB).

Possible Causes
^ circuit 1003 (GY/YE) open
^ circuit 960 (BK/LB) open, short to voltage, or short to ground
^ Traction control switch
^ ABS module

Tests Q1 - Q3:

Tests Q3 (continued) - Q5:

Tests Q6 - Q7:

PINPOINT TEST Q: THE TRACTION CONTROL SWITCH INDICATOR IS NEVER/ALWAYS ON