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.
- When an open circuit indication is displayed by the self-check function, check for DTCs and troubleshoot according to each inspection procedure.
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
System does not operate at all |
Proceed to "Clearance Warning ECU Power Source Circuit" |
|
|
Proceed to "Clearance Sonar Main Switch Circuit" |
|
|
|
System cannot be turned off |
Proceed to "Clearance Sonar Main Switch Circuit" |
|
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|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Combination meter assembly (shift position indicator) operates normally, but detection operates when shift lever is in any position other than R, or does not operate with shift lever in R (rear sonar) |
CAN communication system |
|
|
Clearance warning ECU assembly |
|
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Sonar detection operation is normal but buzzer operation is intermittent |
Proceed to "Clearance Warning Buzzer Circuit" |
|
|
Clearance warning ECU assembly |
|
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Detection operation is normal but all sonar displays do not appear on multi-information display and multi-display |
CAN communication system |
|
|
Clearance warning ECU assembly |
|
|
|
Detection operation is normal but sonar displays do not appear on multi-information display |
CAN communication system |
|
|
Combination meter assembly |
|
|
|
Clearance warning ECU assembly |
|
Customize Parameters
CUSTOMIZE PARAMETERS
PROCEDURE
1. CUSTOMIZE INTUITIVE PARKING ASSIST SYSTEM
(a) Customizing with the Techstream
NOTICE:
When the customer requests a change in a function, first make sure ...
Terminals Of Ecu
TERMINALS OF ECU
1. CLEARANCE WARNING ECU ASSEMBLY
(a) Disconnect the C30 connector from the clearance warning ECU assembly.
(b) Measure the voltage and resistance according to the value(s) in th ...
Other materials:
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 sy ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT GARAGE DOOR OPENER
(a) Press each switch and check that the red LED turns on. If one or
more of the switches does not turn on the LED, confirm normal operation
of the fuse and wire harness. If the fuse and wire harness are malfunctioni ...
Sound of Portable Player cannot be Heard from Speakers or Sound is Low
PROCEDURE
1.
CHECK PORTABLE PLAYER SETTINGS
(a) Check the portable player settings.
(1) Check that the volume is not set to "0".
(2) Check that the mute is off.
(b) Check that the sound of the portable player can be heard from the speakers.
OK:
Sound ...
