Toyota 4Runner manuals

Toyota 4Runner: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

Use these procedures to troubleshoot the clock 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.

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


B

GO TO STEP 5


A

4.

OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Terminals of ECU (See page ).



NEXT

5.

ADJUST, REPAIR OR REPLACE


NEXT

6.

CONFIRMATION TEST


NEXT

END

System Diagram
SYSTEM DIAGRAM 1. POWER SOURCE CIRCUIT ...

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:

Removal
REMOVAL CAUTION / NOTICE / HINT NOTICE: Make sure to release the vacuum from the brake booster before removing the master cylinder from the brake booster. PROCEDURE 1. DRAIN BRAKE FLUID NOTICE: Wash off brake fluid immediately if it comes in contact w ...

Ignition Hold Monitor Malfunction (B2271)
DESCRIPTION This DTC is stored when a problem, such as an open in the AM2 fuse, an open or short in the wire harness between the fuse and power management control ECU, a short in the IG output circuit inside the power management control ECU, a short betwe ...

© 2016-2025 | www.to4runner.net

0.0087