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:
Installation
INSTALLATION
PROCEDURE
1. INSTALL NO. 2 OIL COOLER TUBE SUB-ASSEMBLY
(a) Temporarily install the oil cooler tube to the fan shroud with bolt
A. Install bolt B and tighten it to the specified torque. Then tighten bolt
A to the specified to ...
Security and system setup
To enter the menu of each setting, follow the steps below:
Security setting items and operation procedure
• Setting or changing the PIN (Personal Identification Number) 1. “Setup
(Setup)” → 2. “Security” → 3. “Set PIN”
• Locking the ...
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