Method For Version 4 (D)
960, 19934-door models as from chassis No. 018367
5-door models as from chassis No. 012113
Note:
Unlike earlier models, the power seats in the above models can be operated with the ignition off.
D1
- Switch off ignition.
D2
- Manual fault tracing/calibration: Connect test lead from DLC A to socket No. 6 on DLC B.
- Fault tracing/calibration with VST with OBD System Memory Cassette: Connect instrument to DLC B.
D3
- Remove circuit breaker 35. Fusebox is located at left-hand end of dashboard.
D4
Ignition must be off for at least 5 seconds before performing this step.
- Press and hold any button on control panel of seat to be tested while switching ignition on. Keep button depressed for at least 1 second after turning on ignition.
D5
- Reinstall circuit breaker 35.
Diagnostic system must now be activated within one minute, i.e., test button must be pressed once to select DTM 1 (self-diagnostics) or four times to select DTM 4 (calibration).
- Control module will exit diagnostic function after approx. 1 minute if no activity takes place between module and DLC. Module will also exit diagnostic function if ignition is switched off for at least 5 seconds. Seat cannot be operated either with control buttons or memory buttons while using diagnostic system.
Codes for DTM 1 are listed and explained in the table on page 9 of the SM; use of DTM 4 (calibration) is described on SM page 7.