Toyota 4Runner manuals

Toyota 4Runner: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use these procedures to troubleshoot the meter/gauge system.
  • *: Use the Techstream.

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 note any codes that are output (See page ).


(b) Clear the DTCs (See page ).


(c) Recheck for DTCs. Based on the DTCs output above, try to force output of the same CAN communication system or meter/gauge system DTC by reproducing the symptoms indicated by the DTC.

Result

Proceed to

DTC is not output

A

CAN communication system DTC is output

B

Meter/gauge system DTC is output

C


B

GO TO CAN COMMUNICATION SYSTEM


C

GO TO DIAGNOSTIC TROUBLE CODE CHART


A

4.

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 6


A

5.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU (See page ).


(b) Data List / Active Test (See page ).


(c) Operation Check (See page ).



NEXT

6.

REPAIR OR REPLACE


NEXT

7.

CONFIRMATION TEST


NEXT

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 Diagram
SYSTEM DIAGRAM Terminal No. (Symbol) Wire Harness Side F14 1 (CANH) CAN communication line (V Bus) 2 (CANL) ...

Other materials about Toyota 4Runner:

Disassembly
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