G531320t44: CHECK THE PRIMARY APPLY SIGNAL CIRCUIT FOR SHORT CIRCUIT TO GROUND
- Key off.
- Electric parking brake module connector 1 (CR50) disconnected.
- Key on, engine off.
- Measure the resistance between:CONNECTOR REFERENCE CHART
CR50 connector, harness side Vehicle battery Electric parking brake switch apply 1 - signal - Pin 10 Negative terminal - Is the resistance greater than 100 Kohms?
- Yes: An intermittent fault may be present in the wiring harness. Visually check for chaffed wires or other physical damage to the harness. If no fault is found in the circuit, suspect the following component(s): - EPB module - EPB module connector, CR50
- No: GO to Pinpoint Test G531320T45 .