DTC 34

ABS Schematic: Code 34:

LEFT REAR WHEEL SPEED CIRCUIT FAULT
The ABS control module continually monitors all wheel speed circuits. If a wheel speed circuit is open, grounded, or shorted to battery, ABS will be disabled and the antilock telltale will be turned On.

CODE PARAMETERS
Code 34 sets if:
^ Left rear wheel speed circuit is open, grounded, or shorted to battery.
^ This code can set anytime after the key is turned to the RUN position. The vehicle does not have to be moving.

Diagnostic Chart: Code 34 (Part 1 Of 2):

Diagnostic Chart: Code 34 (Part 2 Of 2):

DIAGNOSTIC AIDS
Before proceeding with the trouble tree, make a thorough visual inspection of the wheel speed sensor circuitry. Closely inspect the inline connector(s) since this is the most likely area for opens and shorts.

When Attempting To Diagnose - an intermittent problem, use the scan tool to review supplemental diagnostic information. The supplemental data can be used to duplicate a problem.

^ Select Malf History from scan tool ABS menu.

Intermittents, Shorts Or Opens - suspected to be at the connectors can be detected by using a diagnostic service probe. Voltage can be read on wires without disconnecting any connectors.

Check the tightness of the female grip with a spare male terminal.