Component Testing

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

X88/Z88

Ignition OFF, disconnect the harness connector at the adjustable pedal switch.
Test for infinite resistance between the B+ reference terminal 11 and the signal terminals listed below:
- Terminal 10
- Terminal 12
- If not the specified value, replace the adjustable pedal switch.
Adjustable pedal switch in the FWD position, test for less than 2 Ω between the 12 V reference terminal 11 and the signal terminal 12.
- If greater than the specified range, replace the adjustable pedal switch.
Adjustable pedal switch in the RWD position, test for less than 2 Ω between the 12 V reference terminal 11 and the signal terminal 10.
- If greater than the specified range, replace the adjustable pedal switch.

Z75

Ignition OFF, disconnect the harness connector at the adjustable pedal switch.
Test for infinite resistance between the B+ reference terminal 5 and the signal terminals listed below:
- Terminal 4
- Terminal 6
- If not the specified value, replace the adjustable pedal switch.
Adjustable pedal switch in the FWD position, test for less than 2 Ω between the 12 V reference terminal 5 and the signal terminal 6.
- If greater than the specified range, replace the adjustable pedal switch.
Adjustable pedal switch in the RWD position, test for less than 2 Ω between the 12 V reference terminal 5 and the signal terminal 4.
- If greater than the specified range, replace the adjustable pedal switch.