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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Front wipers do not operate at all |
Windshield wiper switch assembly |
|
|
Windshield wiper motor assembly |
|
|
|
Front wiper system does not operate in LO or MIST |
Windshield wiper switch assembly |
|
|
Windshield wiper motor assembly |
|
|
|
Front wiper system does not operate in HI |
Windshield wiper switch assembly |
|
|
Windshield wiper motor assembly |
|
|
|
Front washer system does not operate |
Windshield washer motor and pump assembly |
|
|
Windshield wiper switch assembly |
|
|
|
Harness or connector |
- |
|
|
Front wipers do not operate when the washer fluid is sprayed with the windshield washer switch on |
Windshield wiper switch assembly |
|
|
Harness or connector |
- |
|
|
Washer fluid does not flow |
Washer fluid |
- |
|
Washer hose and washer nozzle sub-assembly |
|
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|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Washer fluid level warning message on the multi-information display or Indicator does not operate |
Level warning switch assembly |
|
|
Combination meter assembly |
|
|
|
Harness or connector |
- |
Operation Check
OPERATION CHECK
1. CHECK INTERMITTENT CONTROL FUNCTION (w/ Intermittent Time Adjustment Switch)
(a) Turn the ignition switch to ON.
(b) Turn the windshield wiper switch assembly to the INT position ...
Wiper Switch
...
Other materials:
Open in One Side of Bus 3 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 ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE FRONT OIL PUMP BODY O-RING
(a) Remove the front oil pump body O-ring from the oil pump assembly.
2. SECURE OIL PUMP ASSEMBLY
(a) Place the oil pump assembly on the torque converter assembly.
...
Precaution
PRECAUTION
1. INSPECTION PROCEDURE FOR VEHICLE INVOLVED IN ACCIDENT
(a) Perform the zero point calibration and sensitivity check if any of the following
conditions apply.
The occupant detection ECU is replaced.
Accessories (seatback tray and seat cover, etc.) are installed.
The f ...
