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 Up / Down Function does not Operate |
Proceed to "Remote Up / Down Function does not Operate" |
|
|
Driver Side Power Window does not Operate with Power Window Regulator Master Switch Assembly |
Proceed to "Driver Side Power Window does not Operate with Power Window Master Switch" |
|
|
Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch |
Proceed to "Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch" |
|
|
Rear Power Window LH does not Operate with Rear Power Window Switch LH*1 |
Rear power window regulator switch assembly LH |
|
|
Rear power window regulator motor assembly LH |
|
|
|
Power window regulator master switch assembly |
|
|
|
Harness or connector |
- |
|
|
Rear Power Window RH does not Operate with Rear Power Window Switch RH*1 |
Rear power window regulator switch assembly RH |
|
|
Rear power window regulator motor assembly RH |
|
|
|
Power window regulator master switch assembly |
|
|
|
Harness or connector |
- |
|
|
Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Regulator Master Switch Assembly |
Proceed to "Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch" |
|
|
Front Passenger Side Power Window Auto Up / Down Function does not Operate with Front Passenger Side Power Window Switch |
Proceed to "Front Passenger Side Power Window Auto Up / Down Function does not Operate with Front Passenger Side Power Window Switch" |
|
|
Key-off Operation Function Operates even if Operating Conditions are not Satisfied |
Proceed to "Key-off Operation Function Operates even if Operating Conditions are not Satisfied" |
|
|
Auto Up Operation does not Fully Close Power Window (Jam Protection Function is Activated) |
Proceed to "Auto Up Operation does not Fully Close Power Window (Jam Protection Function is Activated)" |
|
|
Auto down operation does not fully open power window (catch protection function is activated) |
Proceed to "Auto Down Operation does not Fully Open Power Window (Catch Protection Function is Activated)" |
|
|
Jam Protection Function does not Operate |
Proceed to "Jam Protection Function does not Operate" |
|
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- *1: for Double Cab
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Power back window does not operate |
Rear NO. 2 Power Window Regulator Switch Assembly |
|
|
Power Window Regulator Motor Assembly |
|
|
|
Main body ECU (driver side junction block) |
|
|
|
Harness or connector |
- |
- *1: w/ Back Door Power Window
Operation Check
OPERATION CHECK
1. CHECK WINDOW LOCK SWITCH
HINT:
Before performing the window lock switch operation check, make sure that the
window lock switch is off (the switch is not pushed in).
(a) Check ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The power window control system data can be read from the Data Link Connector
3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techs ...
Other materials:
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Main Body ECU (Multiplex Network Body ECU)
DTC Code
Detection Item
See page
B1206
P/W Master Switch Communication Stop
B1273
Sliding Roof ECU Communication Stop
...
Pressure Control Solenoid "G" Performance (Shift Solenoid Valve SL4) (P2808)
SYSTEM DESCRIPTION
The ECM uses the vehicle speed signal and signals from the transmission revolution
sensors (NT, SP2) to detect the actual gear (1st, 2nd, 3rd, 4th, 5th or 6th gear).
The ECM compares the actual gear with the shift schedule in the ECM memory to
detect mechanical problems of t ...
Master Cylinder Pressure Sensor Zero Point High Malfunction (C1422,C1456)
DESCRIPTION
Refer to DTCs C1421, C1423, C1424, C1455, C1457 and C1458 (See page
).
DTC Code
DTC Detection Condition
Trouble Area
C1422
When the stop light switch is off, the PM/C1 terminal voltage is 0.86
V or higher for 5 seconds ...
