1999 NISSAN PRIMERA diagram

MODELS WITH VSS AFTER VIN - P11U0548750
1 CHECK INPUT SIGNAL CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector and combination meter harness connector.
3. Check harness continuity between ECM terminal 86 and meter terminal 4.
Refer to wiring diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 3.
NG©GO TO 2.
2 DETECT MALFUNCTIONING PART
Check the following.
IHarness connectors F104, M50
IHarness for open or short between ECM and combination meter
©Repair open circuit or short to ground or short to power in harness or connectors.
Check Audio circuit and other linked circuit for short to ground or short to power. Refer to
EL section.
3 CHECK SPEEDOMETER FUNCTION
Make sure that speedometer functions properly.
OK or NG
OK©GO TO 5.
NG©GO TO 4.
4 DETECT MALFUNCTIONING PART
Check the following.
IHarness connectors M50, F104, F73, E90 and M52, F103
IHarness for open or short between combination meter and vehicle speed sensor
©Repair harness or connectors. Check vehicle speed sensor and its circuit. Refer to EL
section.
5 CHECK INTERMITTENT INCIDENT
Check combination meter internal circuit for short to ground or short to power. Refer to EL section.
Perform ªTROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTº, EC-QG-102.
©INSPECTION END
DTC P0500 VEHICLE SPEED SENSOR (VSS)QG16I18DE
Diagnostic Procedure (Cont'd)
EC-272

MODELS WITHOUT VSS AFTER VIN - P11U0548750
1 CHECK INPUT SIGNAL CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector and combination meter harness connector.
3. Check harness continuity between ECM terminal 86 and meter terminal 4.
Refer to wiring diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 3.
NG©GO TO 2.
2 DETECT MALFUNCTIONING PART
Check the following.
IHarness connectors F104, M50
IHarness for open or short between ECM and combination meter
©Repair open circuit or short to ground or short to power in harness or connectors.
Check Audio circuit and other linked circuit for short to ground or short to power. Refer to
EL section.
3 CHECK SPEEDOMETER FUNCTION
Make sure that speedometer functions properly.
OK or NG
OK©GO TO 5.
NG©GO TO 4.
4 DETECT MALFUNCTIONING PART
Check the following.
IHarness for open or short between combination meter and ABS actuator and electric unit (control unit)
©Repair harness or connectors. Check ABS actuator and electric unit (control unit) and its
circuit. Refer to EL section.
5 CHECK INTERMITTENT INCIDENT
Check combination meter internal circuit for short to ground or short to power. Refer to EL section.
Perform ªTROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTº, EC-QG-102.
©INSPECTION END
DTC P0500 VEHICLE SPEED SENSOR (VSS)QG16I18DE
Diagnostic Procedure (Cont'd)
EC-273

Wiring DiagramNCEC0284
YEC785
: Detectable line for DTC
: Non-detectable line for DTC
ECM ECM RELAYRefer to EL-POWER. BATTERY
IACV-AAC
VA LV E
DTC P0505 IDLE AIR CONTROL VALVE (IACV) Ð
AUXILIARY AIR CONTROL (AAC) VALVEQG16I18DE
Wiring Diagram
EC-276

Diagnostic ProcedureNCEC0285
1 CHECK POWER SUPPLY
1. Turn ignition switch ªOFFº.
2. Disconnect IACV-AAC valve harness connector.
NEF246A3. Turn ignition switch ªONº.
4. Check voltage between terminal 2, 5 and ground with CONSULT-II or tester.
SEF352QAVoltage: Battery voltage
OK or NG
OK©GO TO 3.
NG©GO TO 2.
2 DETECT MALFUNCTIONING PART
Check the following.
IHarness connectors E90, F73
I10A fuse
IHarness for open or short between IACV-AAC valve and battery
©Repair harness or connectors.
3 CHECK OUTPUT SIGNAL CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector.
3. Check harness continuity between
ECM terminal 6 and IACV-AAC valve terminal 1,
ECM terminal 7 and IACV-AAC valve terminal 4,
ECM terminal 15 and IACV-AAC valve terminal 3,
ECM terminal 16 and IACV-AAC valve terminal 6.
Refer to wiring diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 4.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
Throttle body
Throttle position sensor
harness connector
IACV-AAC valve
harness connector
DTC P0505 IDLE AIR CONTROL VALVE (IACV) Ð
AUXILIARY AIR CONTROL (AAC) VALVEQG16I18DE
Diagnostic Procedure
EC-277

Wiring DiagramNCEC0519
YEC787
: Detectable line for DTC
: Non-detectable line for DTC
ECM INTAKE VALVE
TIMING CONTROL
SOLENOID
VA LV EFUSE
BLOCK
(J/B)Refer to
EL-POWER. IGNITION SWITCH
ON or START
Refer to last page (Foldout page)
.IVC
D T C P 1111 I N TA K E VA LV ETIMING CONTROL
SOLENOID VALVEQG16I18DE
Wiring Diagram
EC-286

Diagnostic ProcedureNCEC0520
1 CHECK POWER SUPPLY
1. Turn ignition switch ªOFFº.
2. Disconnect intake valve timing control solenoid valve harness connector.
SEF149X3. Turn ignition switch ªONº.
4. Check voltage between terminal 2 and engine ground with CONSULT-II or tester.
SEF097XVoltage: Battery voltage
OK or NG
OK©GO TO 3.
NG©GO TO 2.
2 DETECT MALFUNCTIONING PART
Check the following.
IHarness connector F104, M50
I10A fuse
IHarness for open or short between intake valve timing control solenoid valve and fuse
©Repair harness or connectors.
3 CHECK OUTPUT SIGNAL CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 1 and intake valve timing control solenoid valve harness connector 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©GO TO 4.
NG©Repair open circuit or short to ground to short to power or connectors.
D T C P 1111 I N TA K E VA LV ETIMING CONTROL
SOLENOID VALVEQG16I18DE
Diagnostic Procedure
EC-287

Wiring DiagramNCEC0490
YEC789
: Detectable line for DTC
: Non-detectable line for DTC
COOLING
FA N
RELAY FUSE
BLOCK
(J/B)
COOLING
FA N
MOTOR-2 Refer to EL-POWER. BATTERY
COOLING
FA N
MOTOR-1 IGNITION SWITCH
ON or START
Refer to last page (Foldout page)
DTC P1217 OVERHEAT (COOLING SYSTEM)QG16I18DE
Wiring Diagram
EC-292

YEC790
: Detectable line for DTC
: Non-detectable line for DTC REFRIGERANT
SENSOR
ECM
DTC P1217 OVERHEAT (COOLING SYSTEM)QG16I18DE
Wiring Diagram (Cont'd)
EC-293