Mitsubishi Lancer Evolution IX. Manual — part 544

TROUBLESHOOTING

HEATER, AIR CONDITIONER AND VENTILATION

55-49

STEP 13. Connector check: C-216 blower relay
connector and C-34 blower linear controller
connector

Q: Is the check result normal?

YES :

Go to Step 14.

NO :

Repair the connector.

AC504617AC

Connector: C-34 <LHD>

Harness side

AC504618AC

Connector: C-34 <RHD>

Harness side

AC504692AB

Connector: C-216 <LHD>

Junction block side

Junction block (Front view)

AC504694AB

Junction block (Front view)

Connector: C-216 <RHD>

Junction block side

TROUBLESHOOTING

HEATER, AIR CONDITIONER AND VENTILATION

55-50

STEP 14. Check the wiring harness between
C-216 blower relay connector terminal No.4 and
C-34 blower linear controller connector terminal
No.6.

NOTE: Prior to the wiring harness inspection, check
junction block connector C-211, and repair if neces-
sary.

• Check the blower linear controller power supply

line for open 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

P.00-5

).

NO :

Repair the wiring harness.

AC504633AC

Connector: C-211, C-216 <LHD>

Junction block side

Junction block (Front view)

Harness side

C-211

C-211

C-216

C-216

AC504635AC

Harness side

Junction block (Front view)

C-211

C-216

Junction block side

C-216

C-211

Connector: C-211, C-216 <RHD>

AC504617AC

Connector: C-34 <LHD>

Harness side

AC504618AC

Connector: C-34 <RHD>

Harness side

TROUBLESHOOTING

HEATER, AIR CONDITIONER AND VENTILATION

55-51

STEP 15. Resistance measurement at the C-34
blower linear controller connector.

(1) Disconnect the connector, and measure at the

wiring harness side.

(2) Continuity between terminal 3 and body earth

OK: 2

Ω or less

Q: Is the check result normal?

YES :

Go to Step 18.

NO :

Go to Step 16.

STEP 16. Connector check: C-34 blower liner
controller

Q: Is the check result normal?

YES :

Go to Step 17.

NO :

Repair the connector.

AC504617AC

Connector: C-34 <LHD>

Harness side

AC504618AC

Connector: C-34 <RHD>

Harness side

AC301541KC

Connector C-34
(Harness side)

AC504617AC

Connector: C-34 <LHD>

Harness side

AC504618AC

Connector: C-34 <RHD>

Harness side

TROUBLESHOOTING

HEATER, AIR CONDITIONER AND VENTILATION

55-52

STEP 17. Check the wiring harness between C-34
blower linear controller connector terminal No.3
and body earth.

• Check the blower linear controller earth line for

open 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

P.00-5

).

NO :

Repair the wiring harness.

STEP 18. Connector check: C-36 A/C-ECU
connector and C-34 blower linear controller
connector

Q: Is the check result normal?

YES :

Go to Step 19.

NO :

Repair the connector.

AC504617AC

Connector: C-34 <LHD>

Harness side

AC504618AC

Connector: C-34 <RHD>

Harness side

AC504617AC

Connector: C-34 <LHD>

Harness side

AC504624AB

Connectors: C-34, C-36 <RHD>

Harness side

C-34

C-36 (B)

C-34

C-36

AC504622AB

Connector: C-36 <LHD>

Harness side

C-36 (B)