Visual Inspection Chart

Visual Inspection Chart

For low or spongy brake pedal concerns:
^ check and, if necessary, refill the brake master cylinder reservoir.
^ bleed the brake system and retest the brake pedal feel.
^ if the brake pedal is still low or spongy, check the wheel bearings.
For a slow or incomplete brake pedal return concern:
^ inspect for binding, damage, correct installation or interference at the brake pedal.
^ check the power brake booster for binding, damage and correct installation.


Adjustable Pedals With Memory Feature (Navigator only)
1. Verify the customer concern by operating the adjustable pedals.

NOTE: If the adjustable pedals are not installed on the vehicle, when a self-test is carried out, the module will set pedal codes.

2. Visually inspect for obvious signs of mechanical or electrical damage. Refer to the following chart:





Visual Inspection Chart

3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the diagnostic tool does not power up, refer to the diagnostic tool manual.
5. Carry out the diagnostic tool data link test. If the diagnostic tool responds with:
^ SCP or ISO circuit fault; all electronic control units, no response/not equipped, refer to Information Bus.
^ No response/not equipped for Driver Seat Module (DSM), Go To Pinpoint Test A. Test A
^ System passed, retrieve and record the continuous DTCs and carry out self-test diagnostics for the DSM.
6. If the DTCs retrieved are related to the concern, go to the DSM Diagnostic Trouble Code (DTC) Index. Diagnostic Trouble Code Tests and Associated Procedures
7. If no DTCs related to the concern are retrieved, GO to Symptom Chart to continue diagnostics. Symptom Related Diagnostic Procedures