Nissan Terrano r20e. Manual — part 162
3
CHECK VARIABLE NOZZLE TURBOCHARGER CONTROL ACTUATOR
1. Turn ignition switch “OFF”.
2. Install a vacuum pump to variable nozzle turbocharger control actuator.
3. Make sure that the variable nozzle turbocharger control actuator rod moves smoothly when applying vacuum of −53.3 kPa (−533
mbar, −400 mmHg, −15.75 inHg) and releasing it.
MEC017E
OK or NG
OK
E
GO TO 4.
NG
E
Replace turbocharger assembly.
4
CHECK VACUUM HOSE
1. Turn ignition switch “OFF”.
2. Check vacuum hoses and vacuum gallery for clogging, cracks or improper connection.
SEF109L
OK or NG
OK
E
GO TO 9.
NG
E
Repair or replace vacuum hoses and vacuum gallery.
VARIABLE NOZZLE TURBOCHARGER CONTROL
SOLENOID VALVE
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-285
5
CHECK VACUUM HOSE
1. Turn ignition switch “OFF”.
2. Check vacuum hoses and vacuum gallery for clogging, cracks or improper connection.
SEF109L
OK or NG
OK
E
GO TO 6.
NG
E
Repair or replace vacuum hoses and vacuum gallery.
6
CHECK VARIABLE NOZZLE TURBOCHARGER CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect variable nozzle turbocharger control solenoid valve harness connector.
MEC014E
3. Turn ignition switch “ON”.
4. Check voltage between variable nozzle turbocharger control solenoid valve terminal 2 and ground with CONSULT-II or tester.
MEC985D
Voltage: Battery voltage
OK or NG
OK
E
GO TO 8.
NG
E
GO TO 7.
VARIABLE NOZZLE TURBOCHARGER CONTROL
SOLENOID VALVE
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-286
7
DETECT MALFUNCTIONING PART
Check the following.
I
Harness connectors M842, F135 (RHD models)
I
Fuse block (J/B) connector F48 (LHD models), M756 (RHD models)
I
10A fuse
I
Harness for open or short between variable nozzle turbocharger control solenoid valve and fuse
E
Repair open circuit or short to ground or short to power in harness or connectors.
8
CHECK VARIABLE NOZZLE TURBOCHARGER 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 101 and variable nozzle turbocharger 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 10.
NG
E
GO TO 9.
9
DETECT MALFUNCTIONING PART
Check the following.
I
Harness connectors F135, M842 (RHD models)
I
Harness for open or short between variable nozzle turbocharger control solenoid valve and ECM
E
Repair open circuit or short to ground or short to power in harness or connectors.
VARIABLE NOZZLE TURBOCHARGER CONTROL
SOLENOID VALVE
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-287
10
CHECK VARIABLE NOZZLE TURBOCHARGER CONTROL SOLENOID VALVE
1. Disconnect variable nozzle turbocharger control solenoid valve harness connector.
MEC014E
2. Apply 12V direct current between variable nozzle turbocharger control solenoid valve terminals.
3. Check air passage continuity of variable nozzle turbocharger control solenoid valve under the following conditions.
SEF454Z
OK or NG
OK
E
GO TO 11.
NG
E
Replace variable nozzle turbocharger control solenoid valve.
11
CHECK INTERMITTENT INCIDENT
Perform “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-78.
E
INSPECTION END
VARIABLE NOZZLE TURBOCHARGER CONTROL
SOLENOID VALVE
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-288
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