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 |
See page |
|---|---|---|
|
Remote Control System does not Operate |
Proceed to "Remote Control System does not Operate" |
|
|
Sliding Roof does not Move by Operating Sliding Roof Control Switch |
Proceed to "Sliding Roof does not Move by Operating Sliding Roof Control Switch" |
|
|
Slide roof warning buzzer malfunction |
Meter / gauge system |
|
|
Main body ECU (multiplex network ECU) |
|
|
|
Slide roof does not move |
Sliding roof switch (Roof console box assembly) |
|
|
Wire harness or connector |
- |
|
|
Sliding roof ECU (Sliding roof drive gear sub-assembly) |
|
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Initialization
INITIALIZATION
1. INITIALIZE SLIDING ROOF SYSTEM
NOTICE:
Before starting this operation, make sure that the guide rails are not
deformed and there is no foreign matter on the guide rail ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)
(a) Disconnect the S50 sliding roof ECU (sliding roof drive gear sub-assembly)
connector.
(b) Measure the resis ...
Other materials:
Inspection
INSPECTION
PROCEDURE
1. INSPECT FUEL PUMP ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
1 - 2
20°C (68°F)
0.45 to 0 ...
Repair
REPAIR
PROCEDURE
1. REPAIR INTAKE VALVE SEATS
NOTICE:
Repair the intake valve seat while checking the seating position.
Keep the lip free of foreign matter.
(a) Using a 45° cutter, resurface the valve seat so that the valve seat
width is more than the specif ...
PTC Heater Circuit
DESCRIPTION
PTC HTR heater relays are closed in accordance with signals from the air conditioning
amplifier assembly and power is supplied to the quick heater assembly installed
on the radiator heater unit.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits rela ...
