Page 2191 of 4647
![INFINITI M35 2007 Factory Service Manual EC-662
[VQ35DE]
ASCD BRAKE SWITCH
Revision: 2007 April2007 M35/M45
7. CHECK ASCD BRAKE SWITCH
Refer to EC-663, "
Component Inspection"
OK or NG
OK >> GO TO 13.
NG >> Replace ASCD brake switch.
8. CH INFINITI M35 2007 Factory Service Manual EC-662
[VQ35DE]
ASCD BRAKE SWITCH
Revision: 2007 April2007 M35/M45
7. CHECK ASCD BRAKE SWITCH
Refer to EC-663, "
Component Inspection"
OK or NG
OK >> GO TO 13.
NG >> Replace ASCD brake switch.
8. CH](/manual-img/42/57024/w960_57024-2190.png)
EC-662
[VQ35DE]
ASCD BRAKE SWITCH
Revision: 2007 April2007 M35/M45
7. CHECK ASCD BRAKE SWITCH
Refer to EC-663, "
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 (1) harness connector.
–ASCD brake switch (2)
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 E101
10A fuse
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.
PBIB2705E
Voltage: Battery voltage
PBIA9488J
Continuity should exist.
Page 2194 of 4647
ASCD INDICATOR
EC-665
[VQ35DE]
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EC
Revision: 2007 April2007 M35/M45
Wiring DiagramNBS0058O
TBWT1486E
Page 2199 of 4647
EC-670
[VQ35DE]
FUEL INJECTOR
Revision: 2007 April2007 M35/M45
Wiring DiagramNBS0057V
TBWT0996E
Page 2202 of 4647
FUEL INJECTOR
EC-673
[VQ35DE]
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EC
Revision: 2007 April2007 M35/M45
5. CHECK FUNCTION OF FUEL INJECTOR-II
Provide battery voltage between the following terminals, and then
interrupt it. Listen to each fuel injector operating sound.
OK or NG
OK >>INSPECTION END
NG >> GO TO 6.
6. CHECK SUB-HARNESS CIRCUIT FOR OPEN AND SHORT
1. Disconnect fuel injector harness connector (1).
2. Check harness continuity between the following terminals. Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
CylinderHarness connector F221 terminal
(+) (–)
1
56
24
32
43
51
67
Operating sound should exist.
PBIB2497E
PBIB2792E
Harness connector F221 terminal Fuel injector terminal
1
2 2
3
4
6
7
51
Continuity should exist.
Page 2205 of 4647
EC-676
[VQ35DE]
FUEL PUMP
Revision: 2007 April2007 M35/M45
Wiring DiagramNBS00581
TBWT1535E
Page 2208 of 4647
![INFINITI M35 2007 Factory Service Manual FUEL PUMP
EC-679
[VQ35DE]
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EC
Revision: 2007 April2007 M35/M45
7. CHECK CONDENSER POWER SUPPLY CIRCUIT-II
1. Disconnect IPDM E/R harness connector E8.
2. Check harness continuity INFINITI M35 2007 Factory Service Manual FUEL PUMP
EC-679
[VQ35DE]
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EC
Revision: 2007 April2007 M35/M45
7. CHECK CONDENSER POWER SUPPLY CIRCUIT-II
1. Disconnect IPDM E/R harness connector E8.
2. Check harness continuity](/manual-img/42/57024/w960_57024-2207.png)
FUEL PUMP
EC-679
[VQ35DE]
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Revision: 2007 April2007 M35/M45
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 16.
NG >> GO TO 8.
8. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E106, B4
Harness connectors B65, B434
IPDM E/R connector E8
Harness for open or short between IPDM E/R and condenser
>> Repair open circuit or short to power in harness or connectors.
9. CHECK CONDENSER GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect dropping resistor harness connector.
3. Check harness continuity between condenser terminal 2 and dropping resistor terminal 2.
Refer to 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 B65, B434.
Harness for open or short between condenser and dropping resistor.
>> Repair open circuit or short to ground or short to power in harness or connectors. Continuity should exist.
: Vehicle front 1. FPCM 2. Dropping resistor
Continuity should exist.
PBIB2708E
Page 2209 of 4647
![INFINITI M35 2007 Factory Service Manual EC-680
[VQ35DE]
FUEL PUMP
Revision: 2007 April2007 M35/M45
11 . CHECK CONDENSER
Refer to EC-681, "
Component Inspection" .
OK or NG
OK >> GO TO 12.
NG >> Replace condenser.
12. CHECK FUEL PUMP POWER INFINITI M35 2007 Factory Service Manual EC-680
[VQ35DE]
FUEL PUMP
Revision: 2007 April2007 M35/M45
11 . CHECK CONDENSER
Refer to EC-681, "
Component Inspection" .
OK or NG
OK >> GO TO 12.
NG >> Replace condenser.
12. CHECK FUEL PUMP POWER](/manual-img/42/57024/w960_57024-2208.png)
EC-680
[VQ35DE]
FUEL PUMP
Revision: 2007 April2007 M35/M45
11 . CHECK CONDENSER
Refer to EC-681, "
Component Inspection" .
OK or NG
OK >> GO TO 12.
NG >> Replace condenser.
12. CHECK FUEL PUMP POWER SUPPLY CIRCUIT-III
1. Turn ignition switch OFF.
2. Disconnect harness connectors B65, B434.
3. Disconnect “fuel level sensor unit and fuel pump” harness con-
nector (1).
–Illustration shows the view with rear seat cushion and inspection
hole cover (RH) removed.
–: Vehicle front
4. Check harness continuity between the following;
harness connector B434 terminal 7 and “fuel level sensor unit and fuel pump” terminal 1,
“fuel level sensor unit and fuel pump” terminal 3 and harness connector B434 terminal 16,
harness connector B65 terminal 16 and dropping resistor terminal 2,
dropping resister terminal 1 and ground.
Refer to Wiring Diagram.
OK or NG
OK >> GO TO 14.
NG >> GO TO 13.
13. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors B65, B434
Harness for open or short between “fuel level sensor unit and fuel pump” and harness connector B434
Harness for open or short between “fuel level sensor unit and fuel pump” and dropping resistor
Harness for open or short between dropping resistor and ground
>> Repair open circuit or short to power in harness or connectors.
14. CHECK DROPPING RESISTOR
Refer to EC-681, "
Component Inspection" .
OK or NG
OK >> GO TO 15.
NG >> Replace dropping resistor.
PBIB2706E
Continuity should exist.
Page 2213 of 4647
EC-684
[VQ35DE]
ICC BRAKE SWITCH
Revision: 2007 April2007 M35/M45
Wiring DiagramNBS0058E
TBWT1000E