Passat Wagon L4-1781cc 1.8L Turbo (AEB) (1998)
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Alarms sounds without reason
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Alarm sounds under high humidity condition
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Alarm works intermittently
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Dome light flashes
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Dome light / courtesy lights stay on
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Keyless entry remote does does not function
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Alarm activation signal (beep) does not sound
Service
Comfort System ECM's replaced for the above symptoms have been found fully functional when tested.
Prior to replacing an Electronic Control Module:
Connect VAG 1551 Scan Tool and check for stored DTC's as follows:
Note:
For expanded information regarding Comfort system diagnostics--> Repair Manual "Body On Board Diagnostic (OBD)".
CAUTION!
Part numbers are for reference only Always check with your Parts Dept. for the latest parts in formation.
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Press buttons -4- and -6- to insert "Comfort System" address word 46.
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Press -Q- button to confirm input.
Control module identification of central control module for comfort system -J393- is indicated on display.
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Press --> button.
Identification of driver's door control module is indicated on display.
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Press the --> button.
Identification of passenger's door control module is indicated on display.
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Press the --> button.
Note:
Control modules for the rear doors on four door models will also be identified.