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.
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Engine does not start |
ECU power source circuit |
|
|
SFI system |
|
|
|
Transponder key ECU assembly |
|
|
|
Security indicator light malfunction |
Security indicator light circuit |
|
|
Transponder key ECU assembly |
|
|
|
Unable to register key |
Key |
- |
|
Transponder key ECU assembly |
|
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Dtc Check / Clear
DTC CHECK / CLEAR
HINT:
When using the Techstream with the ignition switch off to troubleshoot:
Connect the Techstream to the vehicle and turn the front door courtesy light
switch LH ...
Push Switch / Key Unlock Warning Switch Malfunction (B2780)
DESCRIPTION
This DTC is stored if the transponder key ECU assembly does not detect that the
unlock warning switch assembly is on even when the ignition switch is ON. Under
normal conditions, the ...
Other materials about Toyota 4Runner:
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT DRIVE SHAFT ASSEMBLY
NOTICE:
Keep the drive shaft level while handling it.
(a) Check if there is excessive play in the outboard joint.
(b) Check if the inboard joint shaft slides smoothly in the thrust direction.
...
Customize Parameters
CUSTOMIZE PARAMETERS
1. CUSTOMIZING FUNCTION WITH TECHSTREAM
HINT:
The following items can be customized.
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be customized.
Record the current se ...
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