How To Proceed With Troubleshooting
SEAT: AUTO ACCESS SEAT SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING
HINT
Use these procedures to troubleshoot the auto access seat system.
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. PRE-CHECK
(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.
(b) Check the fuses and relays.
(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
NEXT -- Continue to next step.
4. CHECK FOR DTC
(a) Confirm diagnostic codes using service operation mode. Diagnosis System.
Result
B -- GO TO DIAGNOSTIC TROUBLE CODE CHART Auto Access Seat System
A -- Continue to next step.
5. POSITION INFORMATION INITIALIZATION AND CALIBRATION
(a) In service operation mode or independent operation mode, perform initialization of auto access seat position information and calibration of limit switch assembly Auto Access Seat System.
Result
B -- END
A -- Continue to next step.
6. PROBLEM SYMPTOMS TABLE
(a) Refer to Problem Symptoms Table Problem Symptoms Table.
Result
B -- Go to step 8
A -- Continue to next step.
7. OVERALL ANALYSIS AND TROUBLESHOOTING
(a) Operation Check Operation Check
(b) Terminals of ECU Auto Access Seat System
NEXT -- Continue to next step.
8. REPAIR OR REPLACE
NEXT -- Continue to next step.
9. CONFIRMATION TEST
NEXT -- END