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:
Steering Angle Sensor (C1A47)
DESCRIPTION
The forward recognition camera receives steering angle information from the spiral
cable with sensor sub-assembly. If the forward recognition camera detects a spiral
cable with sensor sub-assembly malfunction, DTC C1A47 is stored.
DTC No.
Detection Item
...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT CAMSHAFT TIMING GEAR BOLT
(a) Remove the camshaft timing oil control solenoid assembly (See page
).
(b) Check that the plunger strokes when the plunger in the center of
the camshaft timing gear bolt is pressed.
Standard stroke:
4 ...
Rear Airbag Sensor RH Circuit Malfunction (B1630/23)
DESCRIPTION
The airbag sensor RH consists of parts such as the safing sensor, the diagnostic
circuit and the lateral deceleration sensor.
When the airbag sensor assembly receives signals from the lateral deceleration
sensor, it determines whether or not the SRS should be activated.
DTC B1630/ ...