Toyota 4Runner: Operation Check
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 leave the ignition switch off, or turn the ignition switch to ACC.
(2) Check that the buzzer sounds intermittently if the driver side door is opened.
(b) Check that the key reminder warning buzzer stops.
(1) Check that the buzzer stops sounding when any of the following operations is performed while the buzzer is sounding:
- Closing the driver side door (front door courtesy light switch turns off).
- Turning the ignition switch to ON.
- Removing the key from the ignition key cylinder.
System Description
SYSTEM DESCRIPTION
1. KEY REMINDER WARNING SYSTEM DESCRIPTION
(a) When the driver side door is opened while the ignition switch is ACC or off
and the key is in the ignition key cylinder, this syst ...
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 lis ...
Other materials about Toyota 4Runner:
Inspection
INSPECTION
PROCEDURE
1. INSPECT NO. 1 ULTRASONIC SENSOR
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
1 (E ...
ACC Signal Circuit
DESCRIPTION
This circuit detects the ignition switch ACC or off condition, and sends it to
the main body ECU.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspec ...
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