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Installing Control Module/Cables 780 ECC 1988

Installing control module and cables 780 ECC model year 1988-

E1
Preparations
- Clean evaporator according to Service Manual: Section 8(87)

Climate control
700/900 1982-
Section Y

- Make note of radio code if anti-theft coded radio installed.

Remove:
- Negative battery lead.
- Sound insulation on passenger side.
- Glove compartment.
- Cowl on passenger side.

See Service Manual:

Section 8(82-86, 88) Interior, exterior 700/900 1982-

Cable connections
E2





Installing new relay on cable harness
- Take out cable harness (P/N 9162426) supplied with kit
- Install relay supplied in the 5-pin connector.





E3
Route cables to engine compartment

- Route green cables with single round or flat terminals to engine compartment through unused outlet in grommet under brace to suspension strut.
- Connect round or flat connectors to corresponding existing connectors.
- Connect unconnected connectors.





E4
Location of opening in cable sheath
The cable sheath is cut to drain off condensation.

- The cut conduit section should be placed at the lowest point along the route of the cable.
- Use butyl tape to seal the grommet.
- Use existing cable tie to clamp cables to firewall.





E5
Connection of yellow connector

- Disconnect the yellow connector from the heater and connect the yellow connector from the new cable harness.
- Connect the detached yellow connector to the yellow connector on the cable harness.

Installing control module from kit





E6
Connection and mounting of control module

- Connect control module and cable harness connectors together.
- Apply three sections of butyl tape to the control module.
- Install control module to dashboard side section with butyl tape.





E7
Connection to ground plate
- Connect the black-white cable included in the cable harness to the ground plate on the right side of the cowl
The ground plate is located behind the fuel control module.
The ground lead has a twin tab terminal for when there are no vacant spaces on the ground plate.





E8
Connection of 10-pin contact
- Separate the halves of the 10-pin connector at the centre console and install the 10-pin connectors from the new cables.





E9
Fastening cables
- Attach the cable harness to the defroster duct above the glove compartment using a cable tie.





Function verification and information

E10
Check airing cycle is working
- Connect battery lead and start car.
- Turn on A/C system to start compressor.

The A/C system starts if the temperature exceeds approx. 7°C (45°F).
- Make up a cable (about 2 meters (6 ft.) in length) to connect battery positive terminal to control module connector. Connect to green cable, connector terminal 6, for at least 30 seconds while compressor is operating.
- Turn off engine.

Airing cycle should begin after approximately 10 seconds and continue for approximately 1 second.
- Remove cable between connector and battery.

E11
Finishing off
- Reinstall all components removed.
- Reset the clock and enter the anti-theft radio code if required.

E12
Information to Car Owner
- Carry out operations at the end of this service bulletin.
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