Nissan Terrano r20e. Manual — part 119
RHD MODELS
YEC180A
DTC 0208 OVER HEAT
ZD30DDTi
Wiring Diagram (Cont’d)
EC-113
Diagnostic Procedure
1
INSPECTION START
Do you have CONSULT-II?
Yes or No
Yes
E
GO TO 2.
No
E
GO TO 3.
2
CHECK COOLING FAN OPERATION
With CONSULT-II
1. Turn ignition switch “ON”.
2. Perform “COOLING FAN” in “ACTIVE TEST” mode with CONSULT-II.
SEF646X
3. Make sure that cooling fan operates.
OK or NG
OK
E
GO TO 12.
NG
E
GO TO 4.
3
CHECK COOLING FAN OPERATION
Without CONSULT-II
1. Turn ignition switch “OFF”.
2. Disconnect engine coolant temperature sensor harness connector.
3. Connect 150
Ω
resistor to engine coolant temperature sensor harness connector.
4. Restart engine and make sure that cooling fan operates.
MEC475B
OK or NG
OK
E
GO TO 12.
NG
E
GO TO 4.
DTC 0208 OVER HEAT
ZD30DDTi
EC-114
4
CHECK COOLING FAN POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect cooling fan relay.
MEC021E
3. Turn ignition switch “ON”.
4. Turn air conditioner switch “ON”.
5. Turn blower fan switch “ON”.
6. Make sure that cooling fan operates.
7. Check voltage between cooling fan relay terminals 2, 3 and ground with CONSULT-II or tester.
MEC974D
Voltage: Battery voltage
OK or NG
OK
E
GO TO 6.
NG
E
GO TO 5.
5
DETECT MALFUNCTIONING PART
Check the following.
I
10A fuse
I
Harness connector F120, M812 (LHD models)
I
A/C relay
I
30A fusible links
I
Harness for open or short between cooling fan relay and fuse
I
Harness for open or short between cooling fan relay and battery
E
Repair open circuit or short to ground or short to power in harness or connectors.
DTC 0208 OVER HEAT
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-115
6
CHECK COOLING FAN GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Disconnect cooling fan motor harness connector.
MEC024E
3. Check harness continuity as follows. Refer to Wiring Diagram.
MTBL1322
4. Also check harness for short to ground and short to power.
OK or NG
OK
E
GO TO 8.
NG
E
GO TO 7.
7
DETECT MALFUNCTIONING PART
Check the following.
I
Harness connectors M785, F67 (M/T models)
I
Harness for open or short between cooling fan relay and cooling fan motor
I
Harness for open or short between cooling fan relay and condenser
E
Repair open circuit or short to ground or short to power in harness or connectors.
8
CHECK COOLING FAN OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 14 and cooling fan relay terminal 1. Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
OK
E
GO TO 10.
NG
E
GO TO 9.
9
DETECT MALFUNCTIONING PART
Check the following.
I
Harness connectors M787, F66
I
Harness for open or short between cooling fan relay and ECM
E
Repair open circuit or short to ground or short to power in harness or connectors.
DTC 0208 OVER HEAT
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-116
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