Last Modified: 11-29-2007 1.6 D
Service Category: Vehicle Interior Section: Door Lock
Model Year: 2008 Model: Sequoia Doc ID: RM0000011G901JX
Title: DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING (2008 Sequoia)

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:

  • Use the following procedures to troubleshoot the power door lock control system.
  • *: Use the Techstream.

1.

VEHICLE BROUGHT TO WORKSHOP
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2.

CUSTOMER PROBLEM ANALYSIS CHECK

(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.

INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

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4.

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

5.

CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

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

Result

Result

Proceed to

LIN DTC is not output

A

LIN DTC is output

B
B

GO TO LIN COMMUNICATION SYSTEM .
A

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 8
A

7.

OVERALL ANALYSIS AND TROUBLESHOOTING*

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

(b) Data List/Active Test DOOR LOCK: POWER 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