Last Modified: 11-29-2007 1.6 D
Service Category: Vehicle Exterior Section: Door/Hatch
Model Year: 2008 Model: Sequoia Doc ID: RM0000025SY00AX
Title: DOOR / HATCH: POWER BACK DOOR SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING (2008 Sequoia)

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:

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

1.

VEHICLE BROUGHT TO WORKSHOP
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2.

INSPECT BATTERY VOLTAGE

Standard Voltage:

11 to 14 V

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

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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.

CHECK FOR DTC*

(a) Check for DTCs DOOR / HATCH: POWER BACK DOOR SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

(b) Clear the DTCs DOOR / HATCH: POWER BACK DOOR SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

(c) Recheck for DTCs DOOR / HATCH: POWER BACK DOOR SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

Result

Result

Proceed to

DTC is not output

A

DTC is output

B
B

GO TO DTC CHART .
A

5.

PROBLEM SYMPTOMS TABLE

Result

Result

Proceed to

Fault is not listed on Problem Symptoms Table

A

Fault is listed on Problem Symptoms Table

B
B

Go to step 7
A

6.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check DOOR / HATCH: POWER BACK DOOR SYSTEM: OPERATION CHECK (2008 Sequoia)

(b) Terminals of ECU DOOR / HATCH: POWER BACK DOOR SYSTEM: TERMINALS OF ECU (2008 Sequoia)

(c) Data List/Active Test DOOR / HATCH: POWER BACK DOOR SYSTEM: DATA LIST / ACTIVE TEST (2008 Sequoia)

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7.

REPAIR OR REPLACE
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8.

CONFIRMATION TEST
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END