Mitsubishi Grandis. Manual — part 826
DOOR MIRROR
EXTERIOR
51-39
INSPECTION PROCEDURE 2: Right or Left Heated Door Mirror does not Operate
COMMENTS ON TROUBLE SYMPTOM
If either of the heated door mirrors does not work, the
door mirror assembly may be defective.
POSSIBLE CAUSES
• Malfunction of the door mirror assembly
• Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
Step 1. Verify the operation of each heated door
mirror.
Q: Which door mirror does not heat?
Door mirror (RH) :
Go to Step 2.
Door mirror (LH) :
Go to Step 10.
Step 2. Connector check: F-13-1 and F-13-2 door
mirror (RH) heater element connectors
Q: Is the check result normal?
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Gray R : Red P : Pink V : Violet
REAR WINDOW
DEFOGGER RELAY
REAR WINDOW
DEFOGGER RELAY
DOOR
MIRROR
ASSEMBLY (RH)
DOOR
MIRROR
ASSEMBLY (LH)
MIRROR
HEATER
MIRROR
HEATER
Heated door mirror circuit
AC303175
E-13-1
E-13-2
E-13-1
E-13-2
AB
DOOR MIRROR
EXTERIOR
51-40
YES :
Go to Step 3.
NO :
Repair the defective connector.
Step 3. Check of the heater element of the door
mirror (RH)
Check the heater element of the door mirror (RH).
(Refer to
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Replace the mirror glass of the door mirror
assembly (RH).
Step 4. Connector check: F-13 door mirror
assembly (RH) connector.
Q: Is the check result normal?
YES :
Go to Step 5.
NO :
Repair the defective connector.
Step 5. Resistance measurement at the F-13 door
mirror assembly (RH) connector.
(1) Disconnect the connector, and measure at the
wiring harness side.
(2) Resistance between F-13 door mirror assembly
connector terminal No.5 and body earth.
OK: 2
Ω or less
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Go to Step 6.
AC303018AB
Connector: F-13
Harness side
AC303018AB
Connector: F-13
Harness side
AC302986AB
Connector F-13
(harness side)
DOOR MIRROR
EXTERIOR
51-41
Step 6. Check the wiring harness between F-13
door mirror assembly (RH) connector terminal
No.5 and body earth.
NOTE:
Prior to the wiring harness inspection, check
intermediate connector C-14, and repair if necessary.
• Check the earth wires for open circuit.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00, How to
use Troubleshooting/inspection Service
Points
− How to Cope with Intermittent
Malfunction
).
NO :
Repair the wiring harness.
Step 7. Voltage measurement at the F-13 door
mirror assembly (RH) connector.
(1) Turn the ignition switch to the ON position.
(2) Rear window defogger switch: ON
(3) Disconnect the connector, and measure at the
wiring harness side.
(4) Voltage between F-13 door mirror assembly
connector terminal No.1 and body earth.
OK: System voltage
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00, How to
use Troubleshooting/inspection Service
Points
− How to Cope with Intermittent
Malfunction
).
NO :
Go to Step 8.
AC303018AB
Connector: F-13
Harness side
AC302956AB
Connector: C-14
AC303018AB
Connector: F-13
Harness side
AC303097AB
Connector F-13
(harness side)
DOOR MIRROR
EXTERIOR
51-42
Step 8. Check the wiring harness between F-13
door mirror assembly (RH) connector terminal
No.1 and C-205 junction block connector
terminal No.3.
NOTE:
Prior to the wiring harness inspection, check
intermediate connector C-14, and repair if necessary.
• Check the power supply line for open circuit.
Q: Is the check result normal?
YES :
Go to Step 9.
NO :
Repair the wiring harness.
Step 9. Check of the troubles
Check that the heater element of the door mirror
(RH) functions normally.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00, How to
use Troubleshooting/inspection Service
Points
− How to Cope with Intermittent
Malfunction
).
NO :
Replace the door mirror assembly (RH).
AC303018AB
Connector: F-13
Harness side
AC311691
21
7
16 15
17
18
20 19
1
2
3
4
5
6
23 22
24
25
28
26
27
9
8
10
11
14
12
13
Harness side
AB
Connector: F-205
Junction block (Front view)
AC302956AB
Connector: C-14
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