Toyota Tacoma 2015-2018 Service Manual: Problem Symptoms Table
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) |
|
|
|
Air in brake system (for Vacuum brake booster) |
|
|
|
Piston seal (Worn or damaged) |
|
|
|
Cylinder cup |
|
|
|
Rear brake (Shoe clearance out of adjustment) |
|
|
|
Brake master cylinder (Faulty) (for Vacuum brake booster) |
|
|
|
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) |
|
|
|
Rear brake (Shoe clearance out of adjustment) |
|
|
|
Pad (Cracked or distorted) |
|
|
|
Brake shoe (Cracked or distorted) |
|
|
|
Front disc brake piston |
|
|
|
Piston (Stuck) |
|
|
|
Front disc brake piston (Frozen) |
|
|
|
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) |
|
|
|
Pad (Oily) |
|
|
|
Brake shoe (Oily) |
|
|
|
Front disc brake piston (Frozen) |
|
|
|
Piston (Frozen) |
|
|
|
Front disc (Scored) |
|
|
|
Pad (Cracked or distorted) |
|
|
|
Brake shoe (Cracked or distorted) |
|
|
|
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) |
|
|
|
Brake shoe (Worn) |
|
|
|
Pad (Cracked or distorted) |
|
|
|
Brake shoe (Cracked or distorted) |
|
|
|
Rear brake (Shoe clearance out of adjustment) |
|
|
|
Pad (Oily) |
|
|
|
Brake shoe (Oily) |
|
|
|
Pad (Glazed) |
|
|
|
Brake shoe (Glazed) |
|
|
|
Front disc (Scored) |
|
|
|
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) |
|
|
|
Front disc (Scored) |
|
|
|
Pad (Dirty) |
|
|
|
Brake shoe (Dirty) |
|
|
|
Pad (Glazed) |
|
|
|
Brake shoe (Glazed) |
|
|
|
Tension or return spring (Faulty) |
|
|
|
Anti-squeal shim (Damaged) |
|
|
|
Shoe hold-down spring (Damaged) |
|
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Precaution
PRECAUTION
1. Necessary care must be taken to replace each part properly as it could affect
the brake system performance. This could cause driving hazards. Replace each part
with an identical par ...
Front Brake
...
Other materials:
Clearance Sonar Main Switch
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE INSTRUMENT PANEL LOWER CENTER FINISH PANEL
(See page )
2. REMOVE BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY
(a) Disengage the 2 claws to remove the back sonar or clearance sonar
switch assembly.
...
Cleaning and protecting the vehicle interior
The following procedures will help protect your vehicle’s interior and keep
it in top condition:
■ Protecting the vehicle interior
Remove dirt and dust using a vacuum cleaner. Wipe dirty surfaces with a cloth
dampened with lukewarm water.
■ Cleaning the leather areas
● Re ...
Open in One Side of Bus 5 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
Check" screen that is indicated as not communicating or whose connection status
on the "Communication Bus Ch ...
