Last Modified: 11-29-2007 1.6 D
Service Category: Vehicle Interior Section: Door Lock
Model Year: 2008 Model: Sequoia Doc ID: RM0000010J303UX
Title: DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING (2008 Sequoia)

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:

  • The wireless door lock control system troubleshooting procedures are based on the premise that the power door lock control system is operating normally. Check the power door lock control system first before troubleshooting the wireless door lock control system.

    Use this procedure to troubleshoot the wireless door lock control system.

  • *: Use the Techstream.

1.

VEHICLE BROUGHT TO WORKSHOP

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2.

CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer to confirm the trouble INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING (2008 Sequoia) .

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3.

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Result

Result

Proceed to

CAN DTC is not output

A

CAN DTC is output

B

B

GO TO CAN COMMUNICATION SYSTEM .

A

4.

DTC CHECK*

(a) Check for a DTC and note any codes that are output.

(b) Clear the DTC.

(c) Recheck for DTCs. Try to prompt the DTC by simulating the original symptom that the DTC suggests.

Result

Result

Proceed to

DTC does not recur

A

DTC recurs

B

B

GO TO DTC CHART

A

5.

SYMPTOM SIMULATION

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6.

PROBLEM SYMPTOMS TABLE

Result

Result

Proceed to

Fault is not listed in problem symptoms table

A

Fault is listed in problem symptoms table

B

B

Go to step 9

A

7.

PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM*

(a) Terminals of ECU DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: TERMINALS OF ECU (2008 Sequoia)

(b) Data List/Active Test DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: DATA LIST / ACTIVE TEST (2008 Sequoia)

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8.

ADJUST, REPAIR OR REPLACE

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9.

CONFIRMATION TEST

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END