Toyota 4Runner manuals

Toyota 4Runner: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use these procedures to troubleshoot the engine immobiliser 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.

CRANK ENGINE FOR MORE THAN 10 SECONDS


NEXT

4.

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. Try to duplicate the DTC (SFI system and engine immobiliser system) by reproducing the symptoms indicated by the DTC.

Result

Proceed to

DTC is not output

A

SFI system DTC is output

B

Engine immobiliser system DTC is output

C


B

GO TO SFI SYSTEM


C

GO TO DIAGNOSTIC TROUBLE CODE CHART


A

5.

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 7


A

6.

OVERALL ANALYSIS AND TROUBLESHOOTING*

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


(b) Terminals of ECU (See page ).



NEXT

7.

ADJUST, REPAIR OR REPLACE


NEXT

8.

CONFIRMATION TEST


NEXT

END

System Diagram
SYSTEM DIAGRAM ...

Registration
REGISTRATION PROCEDURE 1. DESCRIPTION OF CODE REGISTRATION The key has 2 codes: the key code (immobiliser code) and the wireless code (recognition code). Both of these codes need to be registered ...

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