Fault Tracing Power Seat

FAULT-TRACING SCHEMATICS


1. Read the section Design and Function Description and Operation
If uncertain about the functions or component parts of the power seat.
Then continue with step 2.

2. Read the section entitled General Data. General Safety Guidelines
Ignition and high tension components.
Battery.
SIPS Airbag.
Control modules.
Radio.
Alarm.
Abbreviations.
Symbols.
Location of components.
Then continue with step 3.

3. Read off diagnostic trouble codes (DTCs)
Note down the fault symptoms the customer describes.
Connect Volvo Scan Tool (ST). If there is a problem with communication:
Refer to Checking supply voltage Testing Components and Functions
and
Refer to Checking communications Testing Components and Functions

Read off diagnostic trouble codes (DTCs).
Then continue with step 4.

4. Correct fault
Carry out fault-tracing in accordance with DTC table.






If the fault is still present, carry out fault-tracing accordance with Symptom Table. Testing Components and Functions

Then continue with step 5.

5. Final check
Erase diagnostic trouble codes (DTCs). Diagnostic trouble code (DTC) PSL/PSR-424 cannot be erased.
Carry out function test and activate all functions on the power seat. Check for correct operation and that the symptoms described by the customer are no longer present.
Finish by reading diagnostic trouble codes (DTCs) and checking that no diagnostic trouble code (DTC) has be set again.
Then continue with step Operation done.