Up to 08/2009

SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use the following procedure to troubleshoot the front power seat control system.
* *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. CUSTOMER PROBLEM ANALYSIS

* In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.

* Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.

* The following 5 items are important points in the problem analysis:





NEXT -- Continue to next step.

3. INSPECT AUXILIARY BATTERY VOLTAGE

Standard Voltage:

11 to 14 V

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

NEXT -- Continue to next step.

4. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

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

Result:





B -- Go to CAN COMMUNICATION SYSTEM CAN Communication System
A -- Continue to next step.

5. CHECK FOR DTC*

(a) Check for DTC and note any codes that are output Reading and Clearing Diagnostic Trouble Codes.

(b) Clear the DTC.

(c) Recheck for DTCs.

Result:





B -- Go To DIAGNOSTIC TROUBLE CODE CHART Front Power Seat Control System (w/ Memory)
A -- Continue to next step.

6. PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table Problem Symptoms Table.

:





B -- Go to step 8
A -- Continue to next step.

7. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check Operation Check

(b) Data List / Active Test Scan Tool Testing and Procedures

(c) Terminals of ECU Front Power Seat Control System (w/ Memory)

NEXT -- Continue to next step.

8. REPAIR OR REPLACE

NEXT -- Continue to next step.

9. CONFIRMATION TEST

NEXT -- END