PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Symptom |
Suspected Area |
See page |
---|---|---|
Low pedal or spongy pedal |
Fluid leakage in brake system |
- |
Air in brake system (for Hydraulic brake booster) |
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|
Air in brake system (for Vacuum brake booster) |
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|
Piston seal (Worn or damaged) |
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|
Cylinder cup |
|
|
Rear brake (Shoe clearance out of adjustment) |
|
|
Brake master cylinder (Faulty) (for Vacuum brake booster) |
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|
Hydraulic brake booster (Faulty) (for Hydraulic brake booster) |
|
|
Booster push rod (Out of adjustment) (for Vacuum brake booster) |
|
|
Brake drag |
Brake pedal free play (Minimum) |
|
Parking brake pedal travel (Out of adjustment) |
|
|
Parking brake wire (Sticking) |
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|
Rear brake (Shoe clearance out of adjustment) |
|
|
Pad (Cracked or distorted) |
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|
Brake shoe (Cracked or distorted) |
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|
Front disc brake piston |
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Piston (Stuck) |
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|
Front disc brake piston (Frozen) |
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|
Piston (Frozen) |
|
|
Tension or return spring (Faulty) |
|
|
Booster push rod (Out of adjustment) (for Vacuum brake booster) |
|
|
Booster system (Vacuum leakage) (for Vacuum brake booster) |
|
|
Brake master cylinder (Faulty) (for Vacuum brake booster) |
|
|
Hydraulic brake booster (Faulty) |
|
|
Brake pull |
Front disc brake piston (Stuck) |
|
Piston (Stuck) |
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Pad (Oily) |
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Brake shoe (Oily) |
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|
Front disc brake piston (Frozen) |
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|
Piston (Frozen) |
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|
Front disc (Scored) |
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|
Pad (Cracked or distorted) |
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|
Brake shoe (Cracked or distorted) |
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|
Firm pedal but braking inefficient |
Fluid leakage in brake system |
- |
Air in brake system (for Hydraulic brake booster) |
|
|
Air in brake system (for Vacuum brake booster) |
|
|
Pad (Worn) |
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Brake shoe (Worn) |
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|
Pad (Cracked or distorted) |
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|
Brake shoe (Cracked or distorted) |
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Rear brake (Shoe clearance out of adjustment) |
|
|
Pad (Oily) |
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Brake shoe (Oily) |
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Pad (Glazed) |
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Brake shoe (Glazed) |
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|
Front disc (Scored) |
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Booster push rod (Out of adjustment) (for Vacuum brake booster) |
|
|
Booster system (Vacuum leakage) (for Vacuum brake booster) |
|
|
Noise from brakes |
Pad (Cracked or distorted) |
|
Brake shoe (Cracked or distorted) |
|
|
Installation bolt (Loose) |
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|
Front disc (Scored) |
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|
Pad (Dirty) |
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|
Brake shoe (Dirty) |
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|
Pad (Glazed) |
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|
Brake shoe (Glazed) |
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|
Tension or return spring (Faulty) |
|
|
Anti-squeal shim (Damaged) |
|
|
Shoe hold-down spring (Damaged) |
|
Power Source Mode does not Change to ON (ACC)
DESCRIPTION
If the engine switch is pressed with the electrical key transmitter sub-assembly
in the cabin, the certification ECU (smart key ECU assembly) receives a signal and
changes the power source mode.
HINT:
When the cable is disconnected and reconnected to the negative (-) battery termi ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT REFRIGERANT PRESSURE
(a) This method uses a refrigerant recovery unit set to locate problem areas.
Read the refrigerant pressure when the test conditions are established.
Test conditions:
Temperature at the air inlet with the air recirculation ...
Combination Meter ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Combination Meter ECU Communication Stop Mode
Either condition is met:
Communication stop for "Combination Meter" is indicated on the
"Communication Bus Ch ...