Jeep Cherokee (XJ): Brakes
- Base brake system
- Description and operation
- Diagnosis and testing
- Service procedures
- Removal and installation
- Disassembly and assembly
- Cleaning and inspection
- Adjustments
- Specifications. Special tools
- Antilock brakes
8 1/4 AXLES
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Other materials:
Circuit actuation test mode. Diagnostic trouble codes. Diagnostic trouble code descriptions
Circuit actuation test mode
OPERATION
The Circuit Actuation Test Mode checks for proper
operation of output circuits or devices the Powertrain
Control Module (PCM) may not internally recognize.
The PCM attempts to activate these outputs and
allow an observer to verify proper operation. Most o ...