Ford Falcon. Manual — part 416

501-09-11

Rear View Mirrors

501-09-11

DIAGNOSIS AND TESTING (Continued)

Test Step

Result / Action to Take

C2

CHECK THE EXTERIOR REAR VIEW MIRROR CIRCUITS

FOR A SHORT TO GROUND

Key in OFF position.

Yes

INSTALL a new exterior mirror control switch.

Disconnect Exterior Mirror Control Switch C88.

TEST the system for normal operation.

Measure the resistance between the exterior rear view mirror

No

connector, harness side and ground. Refer to the following chart:

REPAIR the suspect circuit. TEST the system
for normal operation.

Exterior mirror pin

Circuit

Driver

C86

540 A

C86

541 A

C86

544 A

Passenger

C94/C377

540 B

C94/C377

541 B

C94/C377

544 B

Are all of the resistances greater than 10,000 ohms?

MEMORY MIRROR

PINPOINT TEST D : THE MIRRORS ARE INOPERATIVE

Test Step

Result / Action to Take

D1

CHECK CIRCUIT 541 A/B (R) FOR VOLTAGE

Disconnect Exterior Mirror Connector.

Yes

Go to D2.

Key in ON position.

No

Measure voltage between exterior mirror Connector C377/C86, Circuit

Trace power supply from mirror connector to

541 A/B, harness side and ground.

source and repair. (Refer to Seat Module

Is the voltage greater than 10 volts?

Diagnostics + Repair).

D2

CHECK CIRCUIT 544 A/B (R) FOR AN OPEN

Disconnect Exterior Mirror Control Switch.

Yes

Replace faulty mirror and retest.

Key in ON position.

No

Measure the resistance between exterior mirror Connectors

Trace ground supply from mirror connector to

C86/C377, harness side and ground.

source and repair. (Refer to Seat Module

Is the resistance less than 50 ohms?

Diagnostics + Repair).

PINPOINT TEST E : TEMPERATURE SENSOR — AMBIENT (part of LH exterior mirror assembly)

NOTE: For diagnosis and testing of the ambient temperature sensor which is an integral part of the LH

exterior mirror assembly, refer to the section 412-04, Pinpoint test A.

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501-09-12

Rear View Mirrors

501-09-12

REMOVAL AND INSTALLATION

6. Gently pull the wiring harness connector from its

Power Mirror Switch

socket. (It may be necessary to use the

screwdriver as a lever, to allow the switch socket

Removal

enough gap to clear the barbed lock tag of the

1. Remove the door trim as per Section 501-5.

harness connector). Be extremely careful when

removing the harness connector from the socket

WARNING: Do not attempt to remove the

by making sure the two halves of the switch do

mirror switch before the trim has been

not break away and separate.

removed.

Installation

2. Once the door trim is removed from the door,

support the trim by taking care to make sure that

1. Reassemble the door trim to the door making sure

it is not pulling against the power mirror switch

the wiring harness for the mirror switch is fed

and the wiring harness

through the hole for the mirror switch.

3. Remove the mirror switch from the door trim by

2. When the trim has been reassembled to the door,

pushing firmly and evenly on the flat base of the

fit the mirror switch last.

switch until it pops out from the trim. Gently push

3. Connect the protruding wiring harness and

the two mirror retaining clips inwards so that the

connector to the switch socket.

ends are clear of the hole and push the switch out

4. Carefully feed the mirror switch into the door trim

from the cut out.

and match the switch locator with the locating slot

1. If door switch is difficult to remove then insert

in the trim.

a fine, flat blade screwdriver where the

5. Push down firmly on the outside of the mirror

retaining clips are and gently push up on the

switch until it pops into place. DO NOT PUSH

mirror switch.

DOWN ON THE SWITCH ADJUSTER KNOB.

4. Pull the switch through the trim hole so there is

enough room to be ableto access the rear of the

WARNING: Warranty claims for power mirror

switch and harness connector and socket.

switches returned with a broken switch base as a

5. Insert a fine, flat blade screwdriver into the

reult of incorrect removal will not be accepted as

harness connector near the barbed lock tag and

a warrantable defect.

support the lower switch body.

Supplier assessment for functional faults in the

manufacture of the switch is not when the switch

is broken at the base.

Warranty Status - Reimbursable within the

provisions of the Warranty and Policy Manual.

Damage to the switch through not using the

correct removal procedure is not warrantable.

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501-09-13

Rear View Mirrors

501-09-13

REMOVAL AND INSTALLATION (Continued)

4. Cover glass surface with cloth and apply even

Exterior Mirror Glass

pressure to engage all clips. Manually adjust the

glass angle outward and confirm that the wire

Removal

spring is positioned correctly in guide track.

1. Remove broken glass and backing plate.

5. Check mirror glass operation. If glass vibrates

2. Remove spring wire taped to rear surface of

when adjusted, or if inward movement is

backing plate. Re-install spring wire into spring

restricted, repeat steps 1 to 4 to ensure correct

housing on rear surface of backing plate.

wire spring position and that clips are fully

engaged.

Installation
1. Reverse the removal instruction.

Exterior Mirror & Round Plug in Door

Trim

Removal
1. Remove interior triangular trim panel to access

rear of mirror assembly.

2. Remove mirror retaining screws and remove

mirror assembly.

CAUTION: Do not drop screws into door.

3. Position spring into guide track and align backing

plate clips with slots on the mirror adaptor plate.

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501-09-14

Rear View Mirrors

501-09-14

REMOVAL AND INSTALLATION (Continued)

3. Disconnect electrical connector from mirror

assembly. (Small screwdriver required for

temperature sensor 6 pin connector (C377) LH

mirror only.

Installation
1. Reverse the removal instruction.

Interior Rear View Mirror

NOTE: The interior rear view mirror is adhered to the

windscreen and should not be removed due to the

possibility of cracking the windscreen.

Ambient Temperature Sensor

The Ambient Temperature Sensor is integral in the left

hand exterior mirror. The sensor is not a serviceable

item, and if faulty, the complete LH external mirror

assembly should be replaced.

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