Toyota 4Runner manuals

Toyota 4Runner: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use these procedures to troubleshoot the automatic running board system.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP


NEXT

2.

INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

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


NEXT

3.

CHECK FOR DTC

(a) Check for DTCs and make a note of any codes that are output.

Result

Proceed to

No DTCs are output

A

DTC is output

B


B

GO TO DIAGNOSTIC TROUBLE CODE CHART


A

4.

PROBLEM SYMPTOMS TABLE

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


Result

Proceed to

Fault not listed in problem symptoms table

A

Fault listed in problem symptoms table

B


B

GO TO STEP 6


A

5.

OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Operation Check (See page ).


(b) Terminals of ECU (See page ).



NEXT

6.

REPAIR OR REPLACE


NEXT

7.

CONFIRMATION TEST


NEXT

END

System Diagram
SYSTEM DIAGRAM ...

Operation Check
OPERATION CHECK 1. CHECK AUTOMATIC RUNNING BOARD OPERATION (a) When side auto step switch assembly is "AUTO", the operation and condition of this control are described below. Check that ...

Other materials about Toyota 4Runner:

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL LOWER BALL JOINT DUST COVER LH (a) Pack the lower arm ball joint with MP grease. Grease capacity: 8.0 g (0.282 oz.) (b) Apply MP grease to the locations shown in the illustration. Text in Illustration ...

System Description
SYSTEM DESCRIPTION 1. AUTOMATIC LIGHT CONTROL SYSTEM (a) General When the headlight dimmer switch is in the AUTO position, the automatic light control sensor detects ambient light levels and outputs a signal to the main body ECU (multiplex network body ...

© 2016-2024 | www.to4runner.net

0.0065