Volvo Workshop Manuals
940 L4-2.3L SOHC VIN 88 B230F (1992)
Relays and Modules > Relays and Modules - Body and Frame > Power Seat Control Module > Component Information > Technical Service Bulletins > Power Seat - Fault Tracing/Calibration > Page 69
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
Diagnostic system must now be activated within 2 minutes, i.e., test button must be pressed once to select DTM 1 (self-diagnostics) or four times to
Control module will exit diagnostic function after approx. 2 minutes if no activity takes place between module and DLC. Module will also exit diagnostic
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.
The illustrated operation number may only be added to a claim in conjunction with a warrantable repair within the respective area.
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