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![INFINITI FX35 2004 Service Manual EC-1260
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VARIABLE INDUCTION AIR CONTROL SYSTEM (VIAS)
Revision: 2004 November 2004 FX35/FX45
7. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E211, M41
Harness connector INFINITI FX35 2004 Service Manual EC-1260
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VARIABLE INDUCTION AIR CONTROL SYSTEM (VIAS)
Revision: 2004 November 2004 FX35/FX45
7. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E211, M41
Harness connector](/manual-img/42/57021/w960_57021-2600.png)
EC-1260
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VARIABLE INDUCTION AIR CONTROL SYSTEM (VIAS)
Revision: 2004 November 2004 FX35/FX45
7. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E211, M41
Harness connectors M82, F102
IPDM E/R connector E7
10A fuse
Harness continuity between IPDM E/R and VIAS control solenoid valve
>> Repair open circuit or short to ground or short to power in harness or connectors.
8. CHECK VIAS CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 29 and VIAS control solenoid valve terminal 2.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 9.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
9. CHECK VIAS CONTROL SOLENOID VALVE
Refer to EC-1260, "
Component Inspection" .
OK or NG
OK >> GO TO 10.
NG >> Replace VIAS control solenoid valve.
10. CHECK INTERMITTENT INCIDENT
Refer to EC-784, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionABS00CEH
VIAS CONTROL SOLENOID VALVE
With CONSULT-II
1. Reconnect harness connectors disconnected.
2. Turn ignition switch ON.
3. Perform “VIAS SOL VALVE” in “ACTIVE TEST” mode.
4. Check air passage continuity and operation delay time under the
following conditions.
Operation takes less than 1 second.Continuity should exist.
Condition
VIAS SOL VALVEAir passage continuity
between A and BAir passage continuity
between A and C
ON Yes No
OFF No Yes
PBIB0177E
Page 2619 of 4449
![INFINITI FX35 2004 Service Manual EC-1278
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INJECTOR CIRCUIT
Revision: 2004 November 2004 FX35/FX45
3. CHECK INJECTOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect injector harness connector.
3. Turn ignition INFINITI FX35 2004 Service Manual EC-1278
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INJECTOR CIRCUIT
Revision: 2004 November 2004 FX35/FX45
3. CHECK INJECTOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect injector harness connector.
3. Turn ignition](/manual-img/42/57021/w960_57021-2618.png)
EC-1278
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INJECTOR CIRCUIT
Revision: 2004 November 2004 FX35/FX45
3. CHECK INJECTOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect injector harness connector.
3. Turn ignition switch ON.
4. Check voltage between injector terminal 1 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors M82, F102
Harness connectors F21, F201
Harness connectors F41, F221
Fuse block (J/B) connector M1
15A fuse
Harness for open or short between injector and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK INJECTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between injector terminal 2 and ECM terminals 21, 22, 23, 40, 41, 42, 44, 63.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.Voltage: Battery voltage
PBIB1518E
PBIB0582E
Continuity should exist.
Page 2625 of 4449
![INFINITI FX35 2004 Service Manual EC-1284
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FUEL PUMP CIRCUIT
Revision: 2004 November 2004 FX35/FX45
6. CHECK 15A FUSE
1. Turn ignition switch OFF.
2. Disconnect 15A fuse.
3. Check 15A fuse.
OK or NG
OK >> GO TO 7.
NG >> Replac INFINITI FX35 2004 Service Manual EC-1284
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FUEL PUMP CIRCUIT
Revision: 2004 November 2004 FX35/FX45
6. CHECK 15A FUSE
1. Turn ignition switch OFF.
2. Disconnect 15A fuse.
3. Check 15A fuse.
OK or NG
OK >> GO TO 7.
NG >> Replac](/manual-img/42/57021/w960_57021-2624.png)
EC-1284
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FUEL PUMP CIRCUIT
Revision: 2004 November 2004 FX35/FX45
6. CHECK 15A FUSE
1. Turn ignition switch OFF.
2. Disconnect 15A fuse.
3. Check 15A fuse.
OK or NG
OK >> GO TO 7.
NG >> Replace fuse.
7. CHECK CONDENSER POWER SUPPLY CIRCUIT-II
1. Disconnect IPDM E/R harness connector E8.
2. Check harness continuity between IPDM E/R terminal 39 and condenser terminal 1.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 14.
NG >> GO TO 8.
8. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E206, B6
Harness for open or short between IPDM E/R and condenser
>> Repair harness or connectors.
9. CHECK CONDENSER GROUND CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between condenser terminal 2 and ground.
Refer to Wiring Diagram.
2. Also check harness for short to power.
OK or NG
OK >> GO TO 10.
NG >> Repair open circuit or short to power in harness or connectors.
10. CHECK CONDENSER
Refer to EC-1285, "
Component Inspection" .
OK or NG
OK >> GO TO 11.
NG >> Replace condenser.Continuity should exist.
Continuity should exist.
Page 2639 of 4449
![INFINITI FX35 2004 Service Manual EC-1298
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ICC BRAKE SWITCH
Revision: 2004 November 2004 FX35/FX45
6. DETECT MALFUNCTIONING PART
Check the following.
Fuse block (J/B) connector M201
10A fuse
Harness for open or short betwee INFINITI FX35 2004 Service Manual EC-1298
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ICC BRAKE SWITCH
Revision: 2004 November 2004 FX35/FX45
6. DETECT MALFUNCTIONING PART
Check the following.
Fuse block (J/B) connector M201
10A fuse
Harness for open or short betwee](/manual-img/42/57021/w960_57021-2638.png)
EC-1298
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ICC BRAKE SWITCH
Revision: 2004 November 2004 FX35/FX45
6. DETECT MALFUNCTIONING PART
Check the following.
Fuse block (J/B) connector M201
10A fuse
Harness for open or short between ICC brake switch and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
7. CHECK ICC BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-I
1. Turn ignition switch OFF.
2. Check harness continuity between ICC brake hold relay terminal 3 and ICC brake switch 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 ICC BRAKE SWITCH
Refer to EC-1301, "
Component Inspection" .
OK or NG
OK >> GO TO 17.
NG >> Replace ICC brake switch.
9. CHECK ICC BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ICC brake hold relay terminal 4 and ECM terminal 108.
Refer Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 11.
NG >> GO TO 10.
10. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E211, M41
Harness for open or short between ICC brake hold relay and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
11 . CHECK ICC BRAKE HOLD RELAY
Refer to EC-1301, "
Component Inspection" .
OK >> GO TO 17.
NG >> Replace ICC brake fold relay.Continuity should exist.
Continuity should exist.
Page 2640 of 4449
![INFINITI FX35 2004 Service Manual ICC BRAKE SWITCH
EC-1299
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12. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp INFINITI FX35 2004 Service Manual ICC BRAKE SWITCH
EC-1299
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12. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp](/manual-img/42/57021/w960_57021-2639.png)
ICC BRAKE SWITCH
EC-1299
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12. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check voltage between stop lamp switch terminal 1 and ground
with CONSULT -II or tester.
OK or NG
OK >> GO TO 14.
NG >> GO TO 13.
13. DETECT MALFUNCTIONING PART
Check the following.
Fuse block (J/B) connector E201
10A fuse
Joint connector-2
Harness for open or short between stop lamp switch and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
14. CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 101 and stop lamp switch terminal 2.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 16.
NG >> GO TO 15.
PBIB1539E
Voltage: Battery voltage
PBIB1184E
Continuity should exist.
Page 2647 of 4449
![INFINITI FX35 2004 Service Manual EC-1306
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ASCD BRAKE SWITCH
Revision: 2004 November 2004 FX35/FX45
3. CHECK ASCD BRAKE SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ASCD brake switch harness connector INFINITI FX35 2004 Service Manual EC-1306
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ASCD BRAKE SWITCH
Revision: 2004 November 2004 FX35/FX45
3. CHECK ASCD BRAKE SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ASCD brake switch harness connector](/manual-img/42/57021/w960_57021-2646.png)
EC-1306
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ASCD BRAKE SWITCH
Revision: 2004 November 2004 FX35/FX45
3. CHECK ASCD BRAKE SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ASCD brake switch harness connector.
3. Turn ignition switch ON.
4. Check voltage between ASCD brake switch terminal 1 and
ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING PART
Check the following.
Fuse block (J/B) connector E201
10A fuse
Harness for open or short between ASCD brake switch and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK ASCD BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 108 and ASCD brake switch terminal 2.
Refer to Wiring Diagram.
4. Also check harness for short to ground or short to power.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E211, M41
Harness for open or short between ECM and ASCD brake switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
PBIB1506E
Voltage: Battery voltage
PBIB0857E
Continuity should exist.
Page 2648 of 4449
![INFINITI FX35 2004 Service Manual ASCD BRAKE SWITCH
EC-1307
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Revision: 2004 November 2004 FX35/FX45
7. CHECK ASCD BRAKE SWITCH
Refer to EC-1206, "
Component Inspection"
OK or NG
OK >> GO TO 13.
NG > INFINITI FX35 2004 Service Manual ASCD BRAKE SWITCH
EC-1307
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7. CHECK ASCD BRAKE SWITCH
Refer to EC-1206, "
Component Inspection"
OK or NG
OK >> GO TO 13.
NG >](/manual-img/42/57021/w960_57021-2647.png)
ASCD BRAKE SWITCH
EC-1307
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Revision: 2004 November 2004 FX35/FX45
7. CHECK ASCD BRAKE SWITCH
Refer to EC-1206, "
Component Inspection"
OK or NG
OK >> GO TO 13.
NG >> Replace ASCD brake switch.
8. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check voltage between stop lamp switch terminal 1 and ground
with CONSULT -II or tester.
OK or NG
OK >> GO TO 10.
NG >> GO TO 9.
9. DETECT MALFUNCTIONING PART
Check the following.
Fuse block (J/B) connector E201
10A fuse
Joint connector-2
Harness for open or short between stop lamp switch and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
10. CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 101 and stop lamp switch terminal 2.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 12.
NG >> GO TO 11.
PBIB1506E
Voltage: Battery voltage
PBIB1184E
Continuity should exist.
Page 2656 of 4449
![INFINITI FX35 2004 Service Manual SNOW MODE SWITCH
EC-1315
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4. CHECK POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF.
2. Disconnect “unified meter and A/C a INFINITI FX35 2004 Service Manual SNOW MODE SWITCH
EC-1315
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4. CHECK POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF.
2. Disconnect “unified meter and A/C a](/manual-img/42/57021/w960_57021-2655.png)
SNOW MODE SWITCH
EC-1315
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4. CHECK POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF.
2. Disconnect “unified meter and A/C amp.” harness connector.
3. Turn ignition switch ON.
4. Check voltage between “unified meter and A/C amp.” terminal
12 and ground under the following conditions with CONSULT-II
or tester.
OK or NG
OK >> GO TO 8.
NG >> GO TO 5.
5. CHECK POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect snow mode switch.
3. Turn ignition switch ON.
4. Check voltage between snow mode switch terminal 1 and
ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6. DETECT MALFUNCTIONING PART
Check the following.
10A fuse
Harness for open or short between snow mode switch and fuse.
>> Repair open circuit or short to ground or short to power in harness or connectors.
7. CHECK SNOW MODE SWITCH OUT PUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continuity between snow mode switch terminal 3 and “unified meter and A/C amp.” termi-
nal 12. 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.
CONDITION VOLTAGE
Snow mode switch: ON Battery voltage
Snow mode switch: OFF 0V
PBIB2010E
Voltage: Battery voltage.
PBIB2011E
Continuity should exist.