Operation CHARM: Car repair manuals for everyone.

2. Unexpected Pedal Reaction

Symptom 2 Unexpected Pedal Reaction
1. BRAKE PEDAL STROKE INSPECTION
Check brake pedal stroke.
Is the stroke too big?
YES >>
- Bleed air from the brake piping.
- Check the brake pedal, brake booster, and master cylinder mount for play, looseness, and brake system for fluid leaks, etc. If any malfunctions are found, make repairs.
NO >>GO TO 2.

2. PERFORMANCE CHECK
Disconnect the ABS actuator and electric unit (control unit) connector, and make sure the braking force is sufficient when the ABS is not operating. After the inspection, reconnect the connector.
OK or NG
OK >> GO TO 3. WHEEL SENSOR INSPECTION in BRC-36, "Symptom 1 Excessive ABS Function Operation Frequency". 1. Excessive ABS Function Operation Frequency
NG >> Check brake system.