Page 2253 of 4731
EC-860
[VK45DE]
POWER SUPPLY AND GROUND CIRCUIT
Revision: 2005 July 2005 FX
16. CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-II
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminals 1, 115, 116 and ground. Refer to Wiring Diagram.
3. Also check harness for short to power.
OK or NG
OK >> GO TO 18.
NG >> GO TO 17.
17. DETECT MALFUNCTIONING PART
Check the following.
Harness or connectors F102, M82
Harness for open or short between ECM and ground
>> Repair open circuit or short to power in harness or connectors.
18. CHECK INTERMITTENT INCIDENT
Refer to EC-854, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> Replace IPDM E/R.
NG >> Repair open circuit or short to power in harness or connectors. Continuity should exist.
Page 2256 of 4731
DTC U1000, U1001 CAN COMMUNICATION LINE EC-863
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
Wiring DiagramABS007IM
TBWM0218E
Page 2261 of 4731
EC-868
[VK45DE]
DTC P0011, P0021 IVT CONTROL
Revision: 2005 July 2005 FX
Wiring DiagramABS007IS
BANK 1
TBWM0845E
Page 2266 of 4731
![INFINITI FX35 2005 Service Manual DTC P0011, P0021 IVT CONTROL EC-873
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
5. CHECK INTAKE VALVE TIMING CONTROL POSITION SENSOR GROUND CIRCUIT FOR OPEN AND
SHORT INFINITI FX35 2005 Service Manual DTC P0011, P0021 IVT CONTROL EC-873
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
5. CHECK INTAKE VALVE TIMING CONTROL POSITION SENSOR GROUND CIRCUIT FOR OPEN AND
SHORT](/manual-img/42/57020/w960_57020-2265.png)
DTC P0011, P0021 IVT CONTROL EC-873
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
5. CHECK INTAKE VALVE TIMING CONTROL POSITION SENSOR GROUND CIRCUIT FOR OPEN AND
SHORT
1. Turn ignition switch OFF.
2. Check harness continuity between intake valve timing control position sensor terminal 1 and ground. Refer to Wiring Diagram.
3. Also check harness for short to power.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors F102, M82
Harness for open or short between intake valve timing control position sensor and ground
>> Repair open circuit or short to power in harness or connectors.
7. CHECK INTAKE VALVE TIMING CONTROL POSITION SENSOR INPUT SIGNAL CIRCUIT FOR OPEN
AND SHORT 1. Disconnect ECM harness connector.
2. Check harness continuity between the following; ECM terminal 72 and intake valve timing control position sensor (bank 1) terminal 2 or
ECM terminal 53 and intake valve timing control position sensor (bank 2) terminal 2.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
8. CHECK INTAKE VALVE TIMING CONTROL POSITION SENSOR
Refer to EC-875, "
Component Inspection" .
OK or NG
OK >> GO TO 9.
NG >> Replace intake valve timing control position sensor. Continuity should exist.
Continuity should exist.
Page 2267 of 4731
![INFINITI FX35 2005 Service Manual EC-874
[VK45DE]
DTC P0011, P0021 IVT CONTROL
Revision: 2005 July 2005 FX
9. CHECK INTAKE VALVE TIMING CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Reconnect ECM harness connector.
2. Disconnect in INFINITI FX35 2005 Service Manual EC-874
[VK45DE]
DTC P0011, P0021 IVT CONTROL
Revision: 2005 July 2005 FX
9. CHECK INTAKE VALVE TIMING CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Reconnect ECM harness connector.
2. Disconnect in](/manual-img/42/57020/w960_57020-2266.png)
EC-874
[VK45DE]
DTC P0011, P0021 IVT CONTROL
Revision: 2005 July 2005 FX
9. CHECK INTAKE VALVE TIMING CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Reconnect ECM harness connector.
2. Disconnect intake valve timing control solenoid valve harness connector.
3. Turn ignition switch ON.
4. Check voltage between intake valve timing control solenoid valve terminal 2 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 11.
NG >> GO TO 10.
10. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E19, F49
Harness for open or short between intake valve timing control solenoid valve and IPDM E/R.
>> Repair open circuit or short to ground or short to power in harness or connectors.
11 . CHECK INTAKE VALVE TIMING CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR
OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between the following; ECM terminal 10 and intake valve timing control solenoid valve (bank 1) terminal 1 or
ECM terminal 11 and intake valve timing control solenoid valve (bank 2) terminal 1.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 12.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
12. CHECK INTAKE VALVE TIMING CONTROL SOLENOID VALVE
Refer to EC-875, "
Component Inspection" .
OK or NG
OK >> GO TO 13.
NG >> Replace intake valve timing control solenoid valve. Voltage: Battery voltage
PBIB1517E
PBIB0192E
Continuity should exist.
Page 2272 of 4731
DTC P0031, P0032, P0051, P0052 HO2S1 HEATER EC-879
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
Wiring DiagramABS007J0
BANK 1
TBWM0221E
Page 2276 of 4731
![INFINITI FX35 2005 Service Manual DTC P0031, P0032, P0051, P0052 HO2S1 HEATER EC-883
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
2. CHECK HO2S1 POWER SUPPLY CIRCUIT
1. Disconnect heated oxygen sensor INFINITI FX35 2005 Service Manual DTC P0031, P0032, P0051, P0052 HO2S1 HEATER EC-883
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
2. CHECK HO2S1 POWER SUPPLY CIRCUIT
1. Disconnect heated oxygen sensor](/manual-img/42/57020/w960_57020-2275.png)
DTC P0031, P0032, P0051, P0052 HO2S1 HEATER EC-883
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
2. CHECK HO2S1 POWER SUPPLY CIRCUIT
1. Disconnect heated oxygen sensor 1 harness connector.
2. Turn ignition switch ON.
3. Check voltage between HO2S1 terminal 2 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E17, F47
Fuse block (J/B) connector E201
10A fuse
Harness for open or short between heated oxygen sensor 1 and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK HO2S1 OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal and HO2S1 terminal as follows. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> Repair open circuit or short to ground or short to power in harness or connectors. Voltage: Battery voltage
PBIB1521E
PBIB0969E
DTC
Te r m i n a l s
Bank
ECM Sensor
P0031, P0032 2 3 1
P0051, P0052 24 3 2
Continuity should exist.
Page 2280 of 4731
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER EC-887
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
Wiring DiagramABS007J8
BANK 1
TBWM0223E