Toyota 4Runner: Operation Check
OPERATION CHECK
1. CHECK WINDOW DEFOGGER SYSTEM OPERATION
(a) When the ignition switch is turned to ON and the heater control (window defogger switch) is pressed, check that the window defogger operates.
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Inspect the window defogger system after confirming that the back door
power window system of the power window control system is operating normally.
...
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:
Diagnosis System
DIAGNOSIS SYSTEM
1. BUS CHECK
(a) Select "CAN Bus Check" from "System Select".
2. CHECK FOR INSTALLED SYSTEMS (ECUS AND SENSORS) THAT USE CAN COMMUNICATION
(a) The systems (ECUs and sensors) that use CAN communication vary depending
o ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Lighting system data and the Diagnostic Trouble Codes (DTCs) can be read
from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be
malfunctioning, use the Techstream to check for malfunctions an ...
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