Toyota 4Runner: How To Proceed With Troubleshooting

Toyota 4Runner Service Manual / Vehicle Interior / Lighting (int) / Lighting System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use these procedures to troubleshoot the lighting system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

3.	PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table (See page
).

Result	Proceed to
Fault is not listed in problem symptoms table	A
Fault is listed in problem symptoms table	B

GO TO STEP 5

4.	OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check (See page ).

(b) Terminals of ECU (See page ).

5.	ADJUST, REPAIR OR REPLACE

6.	CONFIRMATION TEST

END

Precaution

PRECAUTION 1. IGNITION SWITCH EXPRESSION HINT: The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are ...

System Description

SYSTEM DESCRIPTION 1. ILLUMINATION CONTROL SYSTEM (Illuminated Entry System) (a) The illuminated entry system has the following control functions: Control Outline L ...

Other materials about Toyota 4Runner:

Installation
INSTALLATION PROCEDURE 1. INSTALL CENTER POWER OUTLET SOCKET COVER (a) Attach the 2 claws to install the center power outlet socket cover. HINT: Use the same procedure as for the other sides. 2. INSTALL NO. 3 POWER OUTLET SOCKET ASSEMBLY (a) Attach the ...

Relay
On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. REMOVE HEADLIGHT RELAY (a) Remove the headlight relay from the engine room relay box. 2. INSPECT HEADLIGHT RELAY (a) Measure the re ...