Front Door Window Regulator: Testing and Inspection

Troubleshooting power window regulators

Note:
Safety switch with catch installed as of; VIN 44HA 076 190 and 44HN 074 704
Refer always to appropriate wiring diagram.

Test conditions
- Battery OK
- Rear window safety switch disengaged
- (With ignition on) control unit 'clicks' when drivers window switch activated

Tools required
- Multimeter US1119
- L.E.D. tester US1115
- Test adapter VW1594
- Test harness VW1315A

Diagnostic chart

Chart 1, No window operates:

Chart 2, No Window Operates:

Chart 3, One front or rear door window not working:

Chart 4. Driver Window Operating Switch, Checking:

Chart 5. Rear Window Safety Switch, Checking:

Chart 6. Right Front Window Switch, Checking:

Chart 7. Window Regulator Checking:

Terminal Connector For Window Regulator Motor:

Chart 8. Window Regulator Operating Switches, Checking Continuity:

Chart 9. Safety Switch, Checking Continuity: