Cruise Control - Troubleshooting Using the VAG1466

GROUP: 27

NUMBER: 93-06

DATE: June 15, 1993

SUBJECT:
Cruise Control (Auto. Transmission), Troubleshooting, using Tester VAG 1466

MODEL(s):
Passat From 1990 m.y

The following troubleshooting information is formatted to the new VW Worldwide style.

Tester VAG 1466 is not yet available but will be introduced in September, 1993.

This information is supplied early to ensure that troubleshooting procedures are available when the tester is introduced.

File this information in your Technical Bulletin binder.

CRUISE CONTROL SYSTEM (AUTOMATIC TRANSMISSION),
TROUBLESHOOTING USING TESTER VAG 1466

Test conditions:

- Vacuum system for cruise control OK

- Fuse S51 (5A) OK (up to model year 1992, fuse S51 is located in fuse holder above fuse/relay panel: from model year 1992, fuse S51 is located in auxiliary relay panel under left side of instrument panel)

- Transmission Control Module (TCM) J217 OK

Troubleshooting preparations:

- Remove single connector (yellow) from fuse 851 (see wiring diagram)

- Remove dual horn relay (J4), stamped with production control number 53, from fuse/relay panel. relay position 11

- Using jumper wire from test kit VW 1594, connect black wire of disconnected fuse connector with terminal 1 of relay position 11 (terminal 15, 8+)

- Remove connector (T2) and connector (T8) from Cruise Control, Control Module (J213) located behind center console

- Connect test adaptor VAG 146612 to cruise control, control module & pin connector (T8)

- Connect tester VAG 1466 to adaptor

- Connect 2-pin control module connector, terminal T2/1 (0.5 blue/black wire) to open terminal on test adaptor VAG 146612

Note
Beginning with 1992 m.y.,terminal 2 of Control Module connector T2 is occupied. On these cars, connect T2/2 to ground when Troubleshooting.

- Switch ignition on

Test procedure information:







- Perform test steps in numerical sequence according to table.

- If specified value/test result is obtained, continue troubleshooting with next test step (test result OK).







- If specified value/test result is not obtained, locate and eliminate malfunction using table.

- Use valid wiring diagram for checking wiring.

- Remove all test wires from sockets of VAG 1466 after each step.

IF MALFUNCTION HAS NOT BEEN ELIMINATED AFTER PERFORMING TEST STEPS 1 THROUGH 8, REPLACE CRUISE CONTROL, CONTROL MODULE (J213)

After repairing malfunction, check cruise control system for proper operation.