Operation CHARM: Car repair manuals for everyone.

780 ECC Model Year 1988

Installation of control module and cables.

E1

780 ECC model year 1988-

- Clean evaporator according to:
Service Bulletin 8-87-948.
- Make note of radio code it anti-theft coded radio installed.

Remove:

- Negative battery lead.
- Sound insulation on passenger side.
- Glove compartment.
- Cowl on passenger side.
Refer to the Service Manual:

Section 8 (82-86, 88), Interior, exterior
700/900 1982-
TP 8202201

Cable connections

E2

Installing new relay on cable harness

- Select the cable harness (P/N 9162426) supplied with kit.




- Attach the 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 (tower).
- Connect round or flat connectors to corresponding existing connectors.
- Connect unconnected connectors together.

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 in the cable routing.
Use bury tape to seal the grommet.
- Use existing clamps to clamp up the cables to firewall.

E5

Connection of yellow connector




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

Installation of control module from kit.

E6

Connection and mounting of control module




- Connect control module and cable harness connectors together.
- Apply three butyl tape sections on the control module.
- Install control module on 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 multiple 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 center console and install the 10-pin connector from the new cables.

E9

Fastening cables




- Attach the cable hamess to the defroster duct above the glove compartment using strip clamp.


Function verification and information

E10

Check airing cycle is working




- Connect battery lead and start can
- Turn A/C system on so the compressor starts.
The A/C system starts if the temperature exceeds approx. 70°C (45° F).
- Make up a cable approx 2 meters (6.5 ft) in length to connect battery positive terminal to the connector on the control module Connect to green cable, connector terminal 6, for at least 30 seconds while compressor is working.
- Turn off engine
Airing cycle should begin after approx 10 seconds and continue for approx. 1 second.
- Remove cable between connector and battery.
- Replace all parts removed
- Enter radio code if anti-theft coded radio installed.

E11

Information to Car Owner

Carry out operations at the end of this service bulletin.