Mitsubishi Lancer Evolution IX. Manual — part 549
![](/vehicles/winoney/wruvea/ger/varinere.png)
TROUBLESHOOTING
HEATER, AIR CONDITIONER AND VENTILATION
55-69
NOTE: Prior to the wiring harness inspection, check
junction block connector C-214, and repair if neces-
sary.
• Check the rear window defogger relay line for
open or short circuit.
Q: Is the check result normal?
YES :
Go to Step 12.
NO :
Repair the wiring harness.
STEP 12. Connector check: C-215 rear window
defogger relay connector and F-16 rear window
defogger connector
Q: Is the check result normal?
YES :
Go to Step 13.
NO :
Repair the connector.
AC504635AI
Harness side
Junction block (Front view)
C-214
C-215
C-215
C-214
Connectors: C-214, C-215 <RHD>
Junction block side
AC504692AC
Connector: C-215 <LHD>
Junction block side
Junction block (Front view)
AC504694AC
Junction block (Front view)
Junction block side
Connector: C-215 <RHD>
AC504707AB
Harness side
Connector: F-16 <LHD>
AC504709AB
Harness side
Connector: F-16 <RHD>
![](/vehicles/winoney/wruvea/ger/just.png)
TROUBLESHOOTING
HEATER, AIR CONDITIONER AND VENTILATION
55-70
STEP 13. Check the wiring harness between
C-215 rear window defogger relay connector
terminal No.4 and F-16 rear window defogger
connector terminal No.1.
NOTE: Prior to the wiring harness inspection, check
junction block connector C-217, and repair if neces-
sary.
• Check the rear window defogger power supply
line for open or short circuit.
Q: Is the check result normal?
YES :
Replace the automatic A/C control panel
(A/C-ECU).
NO :
Repair the wiring harness.
AC504633AK
Connectors: C-215, C-217 <LHD>
Junction block side
Junction block (Front view)
C-215
C-217
C-215
C-217
AC504635AK
Junction block side
Junction block (Front view)
C-217
C-215
C-215
Connectors: C-215, C-217 <RHD>
C-217
AC504707AB
Harness side
Connector: F-16 <LHD>
AC504709AB
Harness side
Connector: F-16 <RHD>
![](/vehicles/winoney/wruvea/ger/theac.png)
TROUBLESHOOTING
HEATER, AIR CONDITIONER AND VENTILATION
55-71
STEP 14. Resistance measurement at F-06 rear
window defogger connector.
(1) Disconnect the connector, and measure at the
wiring harness side.
(2) Continuity between terminal 1 and body earth.
OK: 2 ohm or less
Q: Is the check result normal?
YES :
Go to Step 17.
NO :
Go to Step 15.
STEP 15. Connector check: F-06 rear window
defogger connector
Q: Is the check result normal?
YES :
Go to Step 16.
NO :
Repair the connector.
AC504707AC
Harness side
F-06 (B)
Connector: F-06 <LHD>
AC504709AC
Harness side
F-06 (B)
Connector: F-06 <RHD>
AC301541KH
Connector F-06
(Harness side)
AC504707AC
Harness side
F-06 (B)
Connector: F-06 <LHD>
AC504709AC
Harness side
F-06 (B)
Connector: F-06 <RHD>
![](/vehicles/winoney/wruvea/ger/eecift.png)
TROUBLESHOOTING
HEATER, AIR CONDITIONER AND VENTILATION
55-72
STEP 16. Check the wiring harness between F-06
rear window defogger connector terminal No.1
and earth.
• Check the rear window defogger earth line for
open or short circuit.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00, How to
Cope with Intermittent Malfunction
NO :
Repair or replace the wiring harness.
STEP 17. Check the rear window defogger.
Refer to
Q: Does the rear window defogger work normally?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00, How to
Cope with Intermittent Malfunction
NO :
Repair the rear window defogger.
AC504707AC
Harness side
F-06 (B)
Connector: F-06 <LHD>
AC504709AC
Harness side
F-06 (B)
Connector: F-06 <RHD>
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