Toyota 4Runner manuals

Toyota 4Runner: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedure to troubleshoot the wiper and washer 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 COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

(a) Check if the LIN communication system is functioning normally.

Result

Proceed to

LIN DTC is not output

A

LIN DTC is output

B


B

GO TO LIN COMMUNICATION SYSTEM


A

4.

PROBLEM SYMPTOMS TABLE

(a) Refer to the 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 ).



NEXT

6.

ADJUST, REPAIR OR REPLACE


NEXT

7.

CONFIRMATION TEST


NEXT

END

System Description
SYSTEM DESCRIPTION 1. WASHER LINKED OPERATION (a) When the front wiper washer switch is in the off position and the washer switch is turned on for approximately 0.1 seconds or more, the wipers sta ...

Customize Parameters
CUSTOMIZE PARAMETERS 1. CUSTOMIZING FUNCTION WITH TECHSTREAM (REFERENCE) HINT: The following items can be customized. NOTICE: When the customer requests a change in a function, first make ...

Other materials about Toyota 4Runner:

Diagnosis Circuit
DESCRIPTION DTC output mode is set by connecting terminals TC and CG of the DLC3. DTCs are output by the blinking of the SRS warning light. HINT: When each warning light continues blinking, a ground short in the wiring of terminal TC of the DLC ...

Indicators and warning lights
The indicator and warning lights on the instrument cluster and center panel inform the driver of the status of the vehicle’s various systems. Instrument cluster (non-Optitron type meters) Instrument cluster (Optitron type meters) Center panel Ind ...

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