Electrically Heated Rear Window and Door Mirrors

z��BElectrically Heated Rear Window And Electrically Heated Door Mirrors:

WIRING DIAGRAM

Electrically Heated Rear Window And Door Mirrors: Component Location:

COMPONENT LOCATION VIEW

Electrically Heated Rear Window And Door Mirrors: Component ID:

COMPONENT ID
16 Rheostat, lighting for instruments and controls, on the dashboard between the steering wheel and driver's door.
22a Fuse board behind the access panel in the glove box.
47j Indicator lamp, electrically heated rear window, in the main instrument display panel.
113 Relay/time-delay relay, electrically heated rear window, in main fuse box behind the glove box.
115 Electrically heated rear window.
116 Switch, electrically heated rear window, on control panel for heating and ventilation.
126D Motor, electrically adjustable door mirror, driver's side, in door mirror.
126P Motor, electrically adjustable door mirror, passenger's side, in door mirror.
159 Distribution terminal (+15 circuit), in main fuse box behind the glove box.
207D Heating element in driver's door mirror.
207P Heating element in passenger's door mirror.
216 ACC control module, in the centre of the dashboard.
230 Distribution terminal (+30 circuit) in main fuse box behind the glove box.
231 Distribution terminal (+54 circuit), in main fuse box behind the glove box.

1-Pin Connectors
H1-2 In the right-hand front door below the door mirror.
H1-3 In the left-hand front door below the door mirror.

2-Pin Connectors
H2-62 In the tailgate on the left.
H2-67 In the tailgate on the right-hand side.

4-Pin Connectors
H4-1 In the driver's door below the door mirror.
H4-2 In the passenger's door below the door mirror.

8-Pin Connector
H8-4 By the left-hand rear wheel housing.

22-Pin Connectors
H22-1 Behind the cable entry in the left-hand A pillar.
H22-2 Behind the cable entry in the right- hand A pillar.

Grounding Points
G4 Grounding point, in the tailgate, CS.
G5 Grounding point, under the rear seat on the left.
G6 Grounding point, negative distribution terminal, in main fuse box 22B behind the glove box.
G8 Grounding point, dashboard, by the left-hand front loudspeaker socket.
G26 Grounding point, right-hand C pillar.

DESCRIPTION OF OPERATION
The electrically heated rear window and electrically heated door mirrors are switched on and off with a switch on the heating control panel. On cars with Automatic Climate Control (ACC), they are activated via the ACC system. When the electrically heated rear window is activated, heating elements 207 in door mirrors 126D and 126P are also supplied with current.

Current is supplied via fuse 18 to terminal 30 on time-delay relay 113. When the ignition switch is in the Drive position, current is also supplied via fuse 13 to terminal 15 of time-delay relay 113 and via fuse 9 to spring-loaded switch 116.

Instead of time-delay relay 113, cars with ACC are fitted with an ordinary relay which is controlled by the ACC unit.

When the switch is depressed, current is supplied to relay terminal E, causing the relay to operate. Current is supplied from relay terminal 87 to electrically heated rear window 115, the electrically heated door mirrors and then to ground, and also to indicator lamp 47J. The relay has a time delay function which maintains the connection for about 10 minutes, after which the circuit is broken.

If the ignition switch is turned to the Lock position while the electrically heated rear window is switched on, the circuit supplying current to the relay will be broken and the relay then breaks the supply of current to the electrically heated rear window, the indicator lamp and the electrically heated door mirrors.

FAULT DIAGNOSIS HINTS
The electrically heated rear window and door mirrors can only be activated when the ignition switch is in the Drive position.
1. Check that fuses 9 and 18 are intact and supplied with current.
2. Check the current supplied to relay 113.
3. Check the current supplied to relay 113 while holding switch 116 depressed.
4. Activate relay 113 and check the current supplied to it and also check the electrically heated rear window connections.
5. Check the connectors, wiring harness and ground connections.

If there is an open circuit in the diode on time-delay relay 113, the relay holding circuit will not be operative.