wiring INFINITI FX35 2004 Service Manual

EC-1150
[VK45DE]
DTC P1217 ENGINE OVER TEMPERATURE
Revision: 2004 November 2004 FX35/FX45
4. CHECK COOLING FAN MOTOR GROUND CIRCUIT FOR OPEN OR SHORT
1. Check harness continuity between the following;
cooling fan motor terminal 3 and ground,
cooling fan motor terminal 4 and ground.
Refer to wiring diagram.
2. Also check harness for short to power.
OK or NG
OK >> GO TO 5.
NG >> Repair open circuit or short to power in harness or connectors.
5. CHECK COOLING FAN MOTOR
Refer to EC-1151, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace cooling fan motor.
6. CHECK INTERMITTENT INCIDENT
Perform EC-784, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> Replace IPDM E/R. Refer to PG-18, "IPDM E/R (INTELLIGENT POWER DISTRIBUTION MOD-
ULE ENGINE ROOM)" .
NG >> Repair or replace harness connectors.
Main 12 Causes of OverheatingABS00CAW
Continuity should exist.
Engine Step Inspection item Equipment Standard Reference page
OFF 1

Blocked radiator

Blocked condenser

Blocked radiator grille

Blocked bumper

Visual No blocking —
2

Coolant mixture
Coolant tester 50 - 50% coolant mixtureMA-13
3
Coolant level
Visual Coolant up to MAX level
in reservoir tank and radi-
ator filler neckCO-36
4
Radiator cap
Pressure tester 59 - 98 kPa
(0.6 - 1.0 kg/cm2 , 9 - 14
psi) (Limit)CO-41
ON*25
Coolant leaks
Visual No leaksCO-36
ON*26
Thermostat
Touch the upper and
lower radiator hosesBoth hoses should be hotCO-51
ON*17
Cooling fan
CONSULT-II Operating See trouble diagnosis for
DTC P1217 (EC-1142
).
OFF 8

Combustion gas leak
Color checker chemical
tester 4 Gas analyzerNegative —
ON*
39
Coolant temperature
gauge
Visual Gauge less than 3/4
when driving—

Coolant overflow to
reservoir tank
Visual No overflow during driving
and idlingCO-36
OFF*410
Coolant return from
reservoir tank to radia-
tor
Visual Should be initial level in
reservoir tankCO-36

DTC P1229 SENSOR POWER SUPPLY
EC-1157
[VK45DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2004 November 2004 FX35/FX45
Wiring DiagramABS00CBA
TBWM0420E

DTC P1229 SENSOR POWER SUPPLY
EC-1159
[VK45DE]
C
D
E
F
G
H
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MA
EC
Revision: 2004 November 2004 FX35/FX45
3. CHECK SESNRO POWER SUPPLY CIRCUITS
Check harness for short to power and short to ground, between the following terminals.
OK or NG
OK >> GO TO 4.
NG >> Repair short to ground or short to power in harness or connectors.
4. CHECK COMPONENTS
Check the following.

Mass air flow sensor (Refer to EC-829, "Component Inspection" .)

EVAP control pressure sensor (Refer to EC-1013, "Component Inspection" .)

Refrigerant pressure sensor (Refer to AT C - 9 0 , "COMPONENT INSPECTION" .)

Power steering pressure sensor (Refer to EC-1056, "Component Inspection" .)
OK or NG
OK >> GO TO 7.
NG >> Replace malfunctioning component.
5. CHECK APP SENSOR
Refer to EC-1230, "
Component Inspection" .
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6. REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Perform EC-698, "
Accelerator Pedal Released Position Learning" .
3. Perform EC-698, "
Throttle Valve Closed Position Learning" .
4. Perform EC-698, "
Idle Air Volume Learning" .
>>INSPECTION END
7. CHECK INTERMITTENT INCIDENT
Refer to EC-784, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
ECM terminal Sensor terminal Reference Wiring Diagram
90 APP sensor terminal 6EC-1227
48 Mass air flow sensor terminal 2EC-825
48 EVAP control pressure sensor terminal 3EC-1009
49 Refrigerant pressure sensor terminal 1EC-1288
68 PSP sensor terminal 1EC-1053

EC-1162
[VK45DE]
DTC P1444 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Revision: 2004 November 2004 FX35/FX45
Wiring DiagramABS00CBG
TBWM0246E

EC-1164
[VK45DE]
DTC P1444 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Revision: 2004 November 2004 FX35/FX45
Diagnostic ProcedureABS00CBH
1. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE POWER SUPPLY CIR-
CUIT
1. Turn ignition switch OFF.
2. Disconnect EVAP canister purge volume control solenoid valve
harness connector.
3. Turn ignition switch ON.
4. Check voltage between EVAP canister purge volume control
solenoid valve terminal 1 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E211, M41

Harness connectors M82, F102

Joint connector-3

IPDM E/R harness connector E7

Harness for open or short between EVAP canister purge volume control solenoid valve and IPDM E/R

Harness for open or short between EVAP canister purge volume control solenoid valve and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
3. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OUTPUT SIGNAL CIR-
CUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 45 and EVAP canister purge volume 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 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
PBIB1478E
Voltage: Battery voltage
PBIB0148E
Continuity should exist.

EC-1170
[VK45DE]
DTC P1446 EVAP CANISTER VENT CONTROL VALVE
Revision: 2004 November 2004 FX35/FX45
Wiring DiagramABS00CBO
TBWH0110E

EC-1176
[VK45DE]
DTC P1564 ICC STEERING SWITCH
Revision: 2004 November 2004 FX35/FX45
Wiring DiagramABS00CBV
TBWM0273E

DTC P1564 ICC STEERING SWITCH
EC-1179
[VK45DE]
C
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MA
EC
Revision: 2004 November 2004 FX35/FX45
3. CHECK ICC STEERING SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect combination switch harness connector.
4. Check harness continuity between combination switch terminal
15 and ECM terminal 82.
Refer to Wiring Diagram.
5. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING PART
Check the following.

Combination switch (spiral cable)

Harness for open and short between ECM and combination switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK ICC STEERING SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 99 and combination switch terminal 14.
Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6. DETECT MALFUNCTIONING PART
Check the following.

Combination switch (spiral cable)

Harness for open and short between ECM and combination switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
7. CHECK ICC STEERING SWITCH
Refer to EC-1180, "
Component Inspection" .
OK or NG
OK >> GO TO 8.
NG >> Replace ICC steering switch.
8. CHECK INTERMITTENT INCIDENT
Refer to EC-784, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END Continuity should exist.
PBIB1540E
Continuity should exist.

DTC P1564 ASCD STEERING SWITCH
EC-1183
[VK45DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2004 November 2004 FX35/FX45
Wiring DiagramABS00CC2
TBWM0257E

DTC P1564 ASCD STEERING SWITCH
EC-1185
[VK45DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2004 November 2004 FX35/FX45
2. CHECK ASCD STEERING SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON.
2. Select “MAIN SW”, “RESUME/ACC SW”, “SET SW” and “CANCEL SW” in “DATA MONITOR” mode with
CONSULT-II.
3. Check each item indication under the following conditions.
Without CONSULT-II
1. Turn ignition switch ON.
2. Check voltage between ECM terminal 99 and ground with press-
ing each button.
OK or NG
OK >> GO TO 8.
NG >> GO TO 3.
3. CHECK ASCD STEERING SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect combination switch harness connector.
4. Check harness continuity between combination switch terminal
15 and ECM terminal 82. Refer to Wiring Diagram.
5. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
Switch Monitor item Condition Indication
ON/OFF (MAIN)
switchMAIN SWPressed ON
Released OFF
ACCEL/RESUME
switchRESUME/ACC SWPressed ON
Released OFF
COAST/SET switch SET SWPressed ON
Released OFF
CANCEL switch CANCEL SWPressed ON
Released OFF
SEC006D
Switch Condition Voltage [V]
ON/OFF (MAIN) switchPressed Approx. 0
Released Approx. 4
ACCEL/RESUME switchPressed Approx. 3
Released Approx. 4
COAST/SET switchPressed Approx. 2
Released Approx. 4
CANCEL switchPressed Approx. 1
Released Approx. 4
PBIB0311E
Continuity should exist.
PBIB1513E