Volkswagen Golf / Golf GTI / Jetta. Manual — part 237

24-202

- Disconnect 4-pin connector from

Clutch Vacuum Vent Valve Switch
-F36- (arrow).

If the specifications are not
obtained:

Note:

Observe installation position of
Clutch Vacuum Vent Valve Switch -
F36- through upper assembly hole of
bearing bracket.

- Measure resistance between

switch terminals 2 and 3.

Specification:

Clutch not depressed: max. 1.5

Clutch depressed:

- Replace Clutch Vacuum Vent

Valve Switch -F36-.

Additional signals, checking

24-203

- Check DTC memory, repair malfunctions if

necessary and then erase DTC memory

01-23

.

- Read readiness code

Page 01-146

. If DTC

memory has been erased or Motronic Engine
Control Module (ECM) -J220- was disconnected
from battery positive (B+), readiness code must
be generated again

Page 01-149

.

If the specifications are obtained:

If the specification is not obtained:

- Connect multimeter to measure voltage at

connector terminal 2 and engine Ground (GND).

- Switch ignition on.

Specification: at least 11.5 V

- Switch ignition off.

- Check wire for open circuit between 4-pin

connector terminal 2 and Fuel Pump (FP) Relay
-J17- referring to Electrical Wiring Diagrams.

Wire resistance: max. 1.5

Additional signals, checking

24-204

If the specification is obtained:

- Remove wiper arms and cowl

panel:

Repair Manual, Electrical

Equipment; Repair Group 92

- Connect VAG 1598/31 test box to

control module wiring harness.
Engine Control Module (ECM) -
J220- remains disconnected.

- Check wiring for open circuit

between test box and 4-pin
connector referring to Electrical
Wiring Diagrams.

Terminal 3 and socket 39

Wire resistance: max. 1.5

- Additionally check wiring for short

to one another, to vehicle Ground
(GND) and to battery positive.

Specification:

Additional signals, checking

24-205

If there is no Diagnostic Trouble Code (DTC) in

the wiring and the resistance measurement
values are OK.:

- Replace Motronic Engine Control Module (ECM)

-J220-

Page 24-173

.

- Check DTC memory, repair malfunctions if

necessary and then erase DTC memory

Page

01-23

.

- Erase learned values and adapt Motronic

Engine Control Module (ECM) -J220- again

Page 24-182

.

- Read readiness code

Page 01-146

. If DTC

memory has been erased or Motronic Engine
Control Module (ECM) -J220- was disconnected
from battery positive (B+), readiness code must
be generated again

Page 01-149

.

Additional signals, checking