Nissan Terrano model r20 series 2004. Instruction — part 146
19
CHECK ENGINE OIL PRESSURE SWITCH-2 INPUT SIGNAL CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect engine oil pressure switch-2 harness connector.
3. Turn ignition switch “ON”.
4. Check voltage between engine oil pressure switch-2 terminal 1 and ground with CONSULT-II or tester.
SEC976D
Voltage: Battery voltage
OK or NG
OK
E
GO TO 21.
NG
E
GO TO 20.
20
DETECT MALFUNCTIONING PART
Check the following.
I
Harness connectors M807, E201
I
Harness connectors F120, M812 (LHD models)
I
Resistor
I
10A fuse
I
Fuse block (J/B) connector F48 (LHD models)
I
Fuse block (J/B) connector M756 (RHD models)
I
Harness for open between engine oil pressure switch-2 and fuse
E
Repair harness or connectors.
21
CHECK ECM INPUT SIGNAL CIRCUIT-I
Check voltage between ECM terminal 27 and ground with CONSULT-II or tester.
SEC388D
Voltage: Battery voltage
OK or NG
OK
E
GO TO 23.
NG
E
GO TO 22.
ENGINE OIL PRESSURE SWITCH
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-306
22
DETECT MALFUNCTIONING PART
Check the following.
I
Harness connectors F120, M812 (LHD models)
I
Fuse block (J/B) connector F48 (LHD models)
I
Fuse block (J/B) connector M756 (RHD models)
I
10A fuse
I
Resistor
I
Harness for open or short between ECM and fuse
E
Repair open circuit or short to ground or short to power in harness or connectors.
23
CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT” EC-78.
OK or NG
OK
E
Replace engine oil pressure switch-2.
NG
E
Repair harness or connectors.
24
OVERALL FUNCTION CHECK-V
1. Turn ignition switch “OFF”.
2. Disconnect engine oil pressure switch-2 harness connector.
3. Start engine and warm it up to normal operating temperature.
4. Keep engine speed between 3,600 to 4,200 rpm at least 30 seconds.
5. Check oil pressure warning lamp illumination.
Oil pressure warning lamp should not illuminate.
OK or NG
OK
E
GO TO 25.
NG
E
Replace oil pressure switch-2.
25
DETECT MALFUNCTIONING PART
Check the following.
I
Harness for short to ground between ECM and engine oil pressure switch-2
I
Harness for short to ground between ECM and fuse block
E
Repair short to ground in harness or connectors.
ENGINE OIL PRESSURE SWITCH
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-307
Wiring Diagram
LHD MODELS
YEC665A
AIR CONDITIONER CONTROL
ZD30DDTi
EC-308
RHD MODELS
YEC666A
AIR CONDITIONER CONTROL
ZD30DDTi
Wiring Diagram (Cont’d)
EC-309
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