2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 109
3.CHECK AWD SOLENOID CIRCUIT
1. Turn ignition switch "OFF".
2. Disconnect AWD control unit harness connector.
3. Check resistance between AWD control unit harness connector terminals 1 and 2.
OK or NG
OK - GO TO 6.
NG - GO TO 4.
4.CHECK AWD SOLENOID
1. Turn ignition switch "OFF".
2. Disconnect transfer assembly harness connector.
3. Check resistance between transfer assembly harness connector F43 terminals 1 and 2.
1 - 2: Approx. 2.45 ohms
OK or NG
OK - GO TO 5.
NG - AWD solenoid is malfunctioning. Replace electric controlled coupling. .
5.CHECK HARNESS BETWEEN AWD CONTROL UNIT AND AWD SOLENOID
1. Turn ignition switch "OFF".
2. Disconnect AWD control unit harness connector and transfer assembly harness connector.
3. Check continuity between the following terminals.
- AWD control unit harness connector F109 terminal 1 and transfer assembly harness connector F43 terminal 1.
- AWD control unit harness connector F109 terminal 2 and transfer assembly harness connector F43 terminal 2.
1 - 1: Continuity should exist.
2 - 2: Continuity should exist.
Also check harness for short to ground and short to power.
OK or NG
OK - GO TO 6.
NG - Repair or replace damaged parts.
6.CHECK AWD CONTROL UNIT
Check AWD control unit input/output signal. .
OK or NG
OK - GO TO 7.
NG - Check AWD control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace
damaged parts.
7.CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK - INSPECTION END
NG - Replace AWD control unit.
COMPONENT INSPECTION
1. Turn ignition switch "OFF".
2. Disconnect transfer assembly harness connector.
3. Check resistance between transfer assembly harness connector F43 terminals 1 and 2.
1 - 2: Approx. 2.45 ohms
4. If NG, replace electric controlled coupling. .
C1205
TROUBLE DIAGNOSIS FOR SYSTEM
DTC C1205 AWD ACTUATOR RELAY
CONSULT-III REFERENCE VALUE IN DATA MONITOR MODE