Toyota 4Runner: 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.
Key Reminder Warning System
Symptom
|
Suspected Area
|
See page
|
Key reminder buzzer does not sound
|
Proceed to "Key Reminder Buzzer does not Sound"
|
|
OPERATION CHECK
1. CHECK KEY REMINDER WARNING SYSTEM
(a) Check that the key reminder warning buzzer sounds.
(1) With the driver side door closed, insert the key into the ignition key cylinder
and ...
TERMINALS OF ECU
1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK
BODY ECU)
(a) Remove the main body ECU (multiplex network body ECU) (See page
).
(b) Measure ...
Other materials about Toyota 4Runner:
Interior Light Auto Cut Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls operation of the DOME
relay in order to supply power to the interior lights. When battery saving control
operates while the interior lights are on, the main body ECU (multiplex network
...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedures to troubleshoot the intuitive parking assist system.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...