Nissan Terrano r20e. Manual — part 160
5
CHECK INTAKE AIR CONTROL VALVE CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT-I
1. Turn ignition switch “OFF”.
2. Disconnect intake air control valve control solenoid valve harness connector.
MEC006E
3. Turn ignition switch “ON”.
4. Check voltage between intake air control valve control solenoid valve terminal 2 and ground with CONSULT-II or tester.
SEF312Z
OK or NG
OK
E
GO TO 11.
NG
E
GO TO 6.
INTAKE AIR CONTROL VALVE CONTROL SOLENOID
VALVE
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-277
6
CHECK INTAKE AIR CONTROL VALVE CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT-II
1. Turn ignition switch “OFF”.
2. Disconnect ECM relay.
MEC021E
3. Check harness continuity between intake air control valve control solenoid valve terminal 2 and ECM relay terminal 7. Refer to
Wiring Diagram.
Continuity should exist.
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 M807, E201
I
Harness for open or short between intake air control valve control solenoid valve and ECM relay
E
Repair open circuit or short to ground or short to power in harness or connectors.
8
CHECK INTAKE AIR CONTROL VALVE CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT-III
Check voltage between ECM relay terminal 6 and ground with CONSULT-II or tester.
SEF297Z
OK or NG
OK
E
GO TO 10.
NG
E
GO TO 9.
9
DETECT MALFUNCTIONING PART
Check the following.
I
10A fuse
I
Harness for open or short between ECM relay and battery
E
Repair open circuit or short to ground or short to power in harness or connectors.
INTAKE AIR CONTROL VALVE CONTROL SOLENOID
VALVE
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-278
10
CHECK ECM RELAY
1. Apply 12V direct current between ECM relay terminals 1 and 2.
2. Check continuity between ECM relay terminals 3 and 5, 6 and 7.
SEF296X
OK or NG
OK
E
GO TO 13.
NG
E
Replace ECM relay.
11
CHECK INTAKE AIR CONTROL VALVE CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN OR
SHORT
1. Turn ignition switch “OFF”.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 2 and intake air control valve control solenoid valve terminal 1. Refer to Wiring
Diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OK
E
GO TO 13.
NG
E
GO TO 12.
12
DETECT MALFUNCTIONING PART
Check the following.
I
Harness connectors E227, F106
I
Harness connectors F135, M842 (RHD models)
I
Harness for open or short between swirl control valve control solenoid valve and ECM
E
Repair open circuit or short to ground or short to power in harness or connectors.
INTAKE AIR CONTROL VALVE CONTROL SOLENOID
VALVE
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-279
13
CHECK INTAKE AIR CONTROL VALVE CONTROL SOLENOID VALVE
1. Apply 12V direct current between intake air control valve control solenoid valve terminals.
2. Check air passage continuity of intake air control valve control solenoid valve under the following conditions.
SEF335X
OK or NG
OK
E
GO TO 14.
NG
E
Replace intake control valve control solenoid valve.
14
CHECK INTERMITTENT INCIDENT
Perform “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-78.
E
INSPECTION END
INTAKE AIR CONTROL VALVE CONTROL SOLENOID
VALVE
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-280
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