Subject:
Electronic Climate Control (ECC)
Vehicles:
Vectra - B as of Model Year 96.5
Condition:
The Electronic Climate Control system is available for the Vectra - B as of Model Year 96.5.
This Technical Information Bulletin contains descriptions of the installation and removal of ECC components, the conditions for setting trouble codes and the program memory codes.
Location of ECC Components
1 Temperature selection (increase temperature)
2 Display, preselected temperature
3 Decrease fan speed
4 ECC key "automatic operation ON"
5 Display of fan speed (0 - 9)
6 Increase fan speed
7 ECO switch (switch compressor off)
8 Air distribution selection keys
9 ECC "OFF" key
10 Temperature preselection (decrease temperature)
11 Servo motor, defroster flap
12 Vacuum unit, recirculating air valve
13 Servo motor, mixed air valve
14 Servo motor, vent valve
15 Servo motor, footwell valve
16 Fan regulator
| Illustration shows LHD. In RHD vehicles, the fan regulator, the recirculating air valve vacuum unit and the servo motors are located in mirror image positions. | |||
|---|---|---|---|
| .P. G0637.tif | 12 | 14 | tiff;; |
ECCControl Panel, Remove and Install
Vehicles with full panel:
| .D. ICON01.tif | 0,75 | 0,75 | tiff;; Remove, Disconnect |
Carefully prise ECC control panel (1) at the bottom out of centre console (I, arrows), and pull upwards.
| .D. ICON02.tif | 0,75 | 0,75 | tiff;; Install, Connect |
Insert ECC control panel (2) at the top first - ensure that retaining clips (II, arrows) are correctly seated - and engage at the bottom.
Vehicles with split panel:
| .D. ICON01.tif | 0,75 | 0,75 | tiff;; Remove, Disconnect |
Carefully prise ECC control panel (3) out of centre console
and pull backwards.
| .D. ICON02.tif | 0,75 | 0,75 | tiff;; Install, Connect |
|---|---|---|---|
| Place ECC control panel on ECC controls. | |||
| .P. G0638.tif | 9 | 16 | tiff;; |
ECC Controls, Remove and Install
| .D. ICON01.tif | 0,75 | 0,75 | tiff;; Remove, Disconnect |
Remove ECC control panel. Remove radio and radio inset frame.
Remove all control switches and switch strip. Release wiring harness plugs (1, 2) and detach from ECC controls.
Vehicles with full panel: unscrew fastening bolts (3, 4).
Press in two lower lugs (II, arrows) with screwdriver, press ECC controls forward and remove upwards.
| .D. ICON02.tif | 0,75 | 0,75 | tiff;; Install, Connect |
Insert ECC controls, note positioning of guide pins (III, arrows). Connect wiring harness plugs and engage.
Vehicles with full panel: fasten ECC controls with bolts (3, 4).
Install switch strip and control switches. Install radio inset frame and radio. Install ECC control panel.
Note:
After replacing the controls, synchronise the servo motors: ignition ON, actuate AUTO and OFF keys simultaneously for about 5 seconds.
Important:
| The regulating electronics in the ACC controls assembly can be replaced separately. The panel acts as transport protection and must be replaced by the previous panel before installation. Observe the instructions on the regulator unit sticker. | |||
|---|---|---|---|
| .P. G0639.tif | 9 | 16 | tiff;; |
Bulbs, ECC Controls, Replace
| .D. ICON01.tif | 0,75 | 0,75 | tiff;; Remove, Disconnect |
Remove controls with panel, turn bulb carrier (arrows) 90o counter - clockwise and remove.
Remove bulb from bulb carrier
| .D. ICON02.tif | 0,75 | 0,75 | tiff;; Install, Connect |
|---|---|---|---|
| Insert bulb in bulb carrier Screw bulb carrier with bulb into ECC controls. Install ECC controls. | |||
| .P. G0640.tif | 9 | 7,5 | tiff;; |
Air Outlet Temperature Sensor, Remove and Install
| .D. ICON01.tif | 0,75 | 0,75 | tiff;; Remove, Disconnect |
Remove ECC controls.
Release wiring harness plug (1) and detach from air outlet temperature sensor Turn air outlet temperature sensor (2) 90° counter clockwise and remove from air distributor housing.
| .D. ICON02.tif | 0,75 | 0,75 | tiff;; Install, Connect |
Insert air outlet temperature sensor in air distributor housing and fasten by turning 90o clockwise. Connect wiring harness plug.
| Install ECC controls. | |||
|---|---|---|---|
| .P. G0641.tif | 9 | 7,5 | tiff;; |
Fan Regulator, Remove and Install
| .D. ICON01.tif | 0,75 | 0,75 | tiff;; Remove, Disconnect |
Remove left footwell air duct.
Remove driver's side heater chamber cover.
Remove accelerator pedal.
Detach fan regulator (1) (2 bolts, arrows) and remove from air distributor housing. Release wiring harness plug (2) and detach.
| .D. ICON02.tif | 0,75 | 0,75 | tiff;; Install, Connect |
|---|---|---|---|
| Install fan regulator. Connect wiring harness plug. Install accelerator pedal. Install driver's side heater chamber cover Install left footwell air duct. | |||
| .P. G0646.tif | 9 | 16 | tiff;; |
Servo Motor, Mixed Air Valve, Remove and Install
| .D. ICON01.tif | 0,75 | 0,75 | tiff;; Remove, Disconnect |
Remove right footwell air duct. Remove glove compartment.
Remove coolant line cover.
Release wiring harness plug (2) and detach. Remove mixed air valve servo motor (1) (2 bolts, arrows). Detach linkage from adjuster lever (3).
| .D. ICON02.tif | 0,75 | 0,75 | tiff;; Install, Connect |
Attach linkage to adjuster lever and install mixed air valve servo motor Connect wiring harness plug. Install coolant line cover and glove compartment. Install right footwell air duct.
| Then synchronise the servo motors: ignition ON, actuate AUTO and OFF keys simultaneously for longer than 5 seconds. | |||
|---|---|---|---|
| .P. G0642.tif | 9 | 16 | tiff;; |
| .D. ICON01.tif | 0,75 | 0,75 | tiff;; Remove, Disconnect |
Remove right footwell air duct. Remove glove compartment.
Release wiring harness plug (1) and detach.
Remove defroster valve servo motor (2) (2 bolts, arrows).
| .D. ICON02.tif | 0,75 | 0,75 | tiff;; Install, Connect |
Install defroster valve servo motor Connect wiring harness plug. Install right footwell air duct. Install glove compartment.
| Then synchronise the servo motors: ignition ON, actuate AUTO and OFF keys simultaneously for longer than 5 seconds. | |||
|---|---|---|---|
| .P. G0643.tif | 9 | 16 | tiff;; |
Servo Motor, Footwell Valve, Remove and Install
| .D. ICON01.tif | 0,75 | 0,75 | tiff;; Remove, Disconnect |
Remove left footwell air duct. Remove driver's side heater chamber cover Release wiring harness plug (1) and detach. Detach cable tie (3). Remove footwell valve servo motor (2) (2 bolts, arrows).
Detach linkage from adjuster lever (4).
| .D. ICON02.tif | 0,75 | 0,75 | tiff;; Install, Connect |
Attach linkage to adjuster lever and install footwell valve servo motor Connect wiring harness plug. Install driver's side heating chamber cover Install left footwell air duct.
Then synchronise the servo motors:
| Ignition ON, actuate AUTO and OFF keys simultaneously for longer than 5 seconds. | |||
|---|---|---|---|
| .P. G0644.tif | 9 | 16 | tiff;; |
Servo Motor, Vent Valve, Remove and Install
| .D. ICON01.tif | 0,75 | 0,75 | tiff;; Remove, Disconnect |
Remove instrument panel padding.
Release wiring harness plug (1) and detach.
Remove vent valve servo motor (2) (2 bolts, arrows).
| .D. ICON02.tif | 0,75 | 0,75 | tiff;; Install, Connect |
Install vent valve servo motor Connect wiring harness plug.
Install instrument panel padding.
| Then synchronise the servo motors: ignition ON, actuate AUTO and OFF keys simultaneously for longer than 5 seconds. | |||
|---|---|---|---|
| .P. G0645.tif | 9 | 16 | tiff;; |
Sun Sensor, Replace
| .D. ICON01.tif | 0,75 | 0,75 | tiff;; Remove, Disconnect |
Press in lug (3) in sun sensor (1) with screwdriver as shown.
Remove sun sensor from windscreen air duct panel.
Prevent wiring harness plug (2) from falling into installation aperture with screwdriver as shown and detach from sun sensor
| .D. ICON02.tif | 0,75 | 0,75 | tiff;; Install, Connect |
|---|---|---|---|
| Connect wiring harness plug, insert sun sensor in windscreen air duct panel. | |||
| .P. G0636.tif | 9 | 7,5 | tiff;; |
Diagnosis - Trouble Code Table
| Trouble Code | Information Sensor | Cause of Fault |
|---|---|---|
| 10 | Interior temperature sensor | Voltage low |
| 11 | Interior temperature sensor | Voltage high |
| 12 | Air outlet temperature sensor | Voltage low |
| 13 | Air outlet temperature sensor | Voltage high |
| 14 | Sun sensor | Voltage low |
| 15 | Sun sensor | Voltage high |
| 16 | Vent valve servo motor | Voltage high |
| 17 | Vent valve servo motor | Voltage low |
| 18 | Mixed air valve servo motor | Voltage high |
| 19 | Mixed air valve servo motor | Voltage low |
| 20 | Footwell valve servo motor | Voltage high |
| 21 | Footwell valve servo motor | Voltage low |
| 22 | Defroster valve servo motor | Voltage high |
| 23 | Defroster valve servo motor | Voltage low |
| 24 | Fan regulator | Voltage high |
| 25 | Fan regulator | Voltage low |
| 26 | Fan motor, internal | Inactive |
| 27 | Controls key | Jams |
| 28 | Coolant circuit cutoff valve | Voltage low |
| 29 | Coolant circuit cutoff valve | Voltage high |
| 30 | Recirculating air valve | Voltage high |
| 31 | Recirculating air valve | Voltage low |
| 32 | Fan relay | Circuit problem |
| 51 | ECC control unit | Malfunction |
| 52 | ECC control unit | Version code not programmed |
| 55 | ECC control unit | Malfunction |
| 169 | Ambient temperature sensor | Voltage low |
| 171 | Ambient temperature sensor | Voltage high |
Diagnoss - Program Memomory Codes
Contrary to the statement in the "Electronic Climate Control" Vectra - B as of MY `96.5 Checking Procedures, there is no difference for programming between Saloon and Estate:
| Configuration | Program memory code |
|---|---|
| Japan | 001 |
| Other countries | 002 |
Parts:
The part and catalogue numbers of the components affected are published in the current parts microfiches.
Time Allowance:
| Op. No. | Operation | Time |
|---|---|---|
| Allow. | ||
| D 332200 | ECC Controls - Replace | . 3 |
| TC: 01, 11, 15, 27, 86, 87 | ||
| +: Calibrate servo motors | ||
| D 332210 | Panel for ECC Controls - Replace (also applies for wooden decor) | . 2 |
| TC: 01, 05, 07, 27, 54 | ||
| D 908220 | Bulbs for ECC Controls - Replace | . 4 |
| TC: 29, 86, 87 | ||
| D 908010 | Fan Regulator (ECC) - Replace | . 4 |
| TC: 13, 56, 80, 86, 87 | ||
| +: R + R accelerator pedal | ||
| D 908410 | Servo Motor Footwell Valve - Replace | . 4 |
| TC: 01, 15, 27, 40, 86, 87 | ||
| +: Calibrate servo motors | ||
| D 908310 | Servo Motor. Vent Valve - Replace | 3.8 |
| TC: 01, 15, 27, 40, 86, 87 | ||
| 001 | Add: | |
| For vehicles with radio | . 2 | |
| D 908510 | Servo Motor Defroster Valve - Replace | . 6 |
| TC: 01, 15, 27, 40, 86, 87 | ||
| +: Calibrate servo motors | ||
| D 908300 | Servo Motor Mixed Air Valve - Replace | . 5 |
| TC: 01, 15, 27, 40, 86, 87 | ||
| +: Calibrate Servo motors | ||
| D 907700 | Air Outlet Temperature Sensor - Replace | . 3 |
| TC: 01, 29, 86, 87 | ||
| D 907400 | Sun Sensor - Replace | |
| TC: 01, 29, 86, 87 | ||
| W 100000 | Vehicle from Parking Place to Workplace and Back | . 2 |
| TC: 99 |
The regular warranty procedure should be used for claiming set - up time.