Page 2209 of 4731
![INFINITI FX35 2005 Service Manual EC-816
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TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
21
22
23
40
41
42
44
63 W
R
P
PU
BR
B
OR
G Injector No. 5
Injector No. 3
Injector No. 1
Injector No. 6
Injector No. 4
Inj INFINITI FX35 2005 Service Manual EC-816
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
21
22
23
40
41
42
44
63 W
R
P
PU
BR
B
OR
G Injector No. 5
Injector No. 3
Injector No. 1
Injector No. 6
Injector No. 4
Inj](/manual-img/42/57020/w960_57020-2208.png)
EC-816
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
21
22
23
40
41
42
44
63 W
R
P
PU
BR
B
OR
G Injector No. 5
Injector No. 3
Injector No. 1
Injector No. 6
Injector No. 4
Injector No. 2
Injector No. 7
Injector No. 8 [Engine is running]
Warm-up condition
Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idle BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
Warm-up condition
Engine speed: 2,000 rpm BATTERY VOLTAGE
(11 - 14V)
24 BR Heated oxygen sensor 1
heater (bank 2) [Engine is running]
Warm-up condition
Engine speed: Below 3,000 rpm Approximately 7V
[Engine is running]
Engine speed: Above 3,000 rpm BATTERY VOLTAGE
(11 - 14V)
25 P Heated oxygen sensor 2
heater (bank 2) [Engine is running]
Engine speed: Below 3,600 rpm after the
following conditions are met
–Engine: after warming up
–Keeping the engine speed between 3,500
and 4,000 rpm for 1 minute and at idle for 1
minute under no load 0 - 1.0V
[Ignition switch: ON]
Engine stopped
[Engine is running]
Engine speed: Above 3,600 rpm BATTERY VOLTAGE
(11 - 14V)
29 GY VIAS control solenoid valve [Engine is running]
Selector lever: P or N
0 - 1.0V
[Engine is running]
Selector lever: D BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
Engine speed: Above 5,000 rpm 0 - 1.0V
32 OR EVAP control system pres-
sure sensor [Ignition switch: ON]
Approximately 1.8 - 4.8V
34 Y Intake air temperature sen-
sor [Engine is running] Approximately 0 - 4.8V
Output voltage varies with intake
air temperature.
TER-
MINAL NO. WIRE
COLOR ITEM CONDITION DATA (DC Voltage)
PBIB0042E
PBIB0043E
PBIB0519E
Page 2210 of 4731
![INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS EC-817
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Revision: 2005 July 2005 FX35 BR Heated oxygen sensor 1
(bank 2) [Engine is running]Warm-up condition
Engine speed:2,000 INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS EC-817
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Revision: 2005 July 2005 FX35 BR Heated oxygen sensor 1
(bank 2) [Engine is running]Warm-up condition
Engine speed:2,000](/manual-img/42/57020/w960_57020-2209.png)
TROUBLE DIAGNOSIS EC-817
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Revision: 2005 July 2005 FX35 BR Heated oxygen sensor 1
(bank 2) [Engine is running]Warm-up condition
Engine speed:2,000 rpm 0 - Approximately 1.0V
(Periodically change)
36 W Knock sensor (bank 2) [Engine is running]
Idle speedApproximately 2.5V
45 W EVAP canister purge vol-
ume control solenoid valve [Engine is running]
Idle speed
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
Engine speed: About 2,000 rpm (More than
100 seconds after starting engine) 11 - 1 4 V
46
60
61
62
65
79
80
81 L
SB
L
Y
Y
LG
GY
G Ignition signal No. 7
Ignition signal No. 5
Ignition signal No. 3
Ignition signal No. 1
Ignition signal No. 8
Ignition signal No. 6
Ignition signal No. 4
Ignition signal No. 2 [Engine is running]
Warm-up condition
Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idle 0 - 0.2V
[Engine is running]
Warm-up condition
Engine speed: 2,000 rpm 0.1 - 0.4V
47 L Sensor power supply
(Throttle position sensor) [Ignition switch: ON]
Approximately 5V
48 L Sensor power supply
(EVAP control system pres-
sure sensor) [Ignition switch: ON]
Approximately 5V
49 PU Sensor power supply
(Refrigerant pressure sen-
sor) [Ignition switch: ON]
Approximately 5V
TER-
MINAL NO. WIRE
COLOR ITEM CONDITION DATA (DC Voltage)
PBIB0050E
PBIB0051E
PBIB0044E
PBIB0045E
Page 2211 of 4731
![INFINITI FX35 2005 Service Manual EC-818
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TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
50 W Throttle position sensor 1 [Ignition switch: ON]
Engine stopped
Selector lever: D
Accelerator pedal: Fully released
More than 0.3 INFINITI FX35 2005 Service Manual EC-818
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
50 W Throttle position sensor 1 [Ignition switch: ON]
Engine stopped
Selector lever: D
Accelerator pedal: Fully released
More than 0.3](/manual-img/42/57020/w960_57020-2210.png)
EC-818
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
50 W Throttle position sensor 1 [Ignition switch: ON]
Engine stopped
Selector lever: D
Accelerator pedal: Fully released
More than 0.36V
[Ignition switch: ON]
Engine stopped
Selector lever: D
Accelerator pedal: Fully depressed Less than 4.75V
51 L/W Mass air flow sensor [Engine is running]
Warm-up condition
Idle speed
1.0 - 1.3V
[Engine is running]
Warm-up condition
Engine speed: 2,500 rpm 1.6 - 2.0V
53 R/L Intake valve timing control
position sensor (bank 2) [Engine is running]
Warm-up condition
Idle speed
0 - 1.0V
[Engine is running]
Engine speed: 2,000 rpm 0 - 1.0V
55 W/R Heated oxygen sensor 2
(bank 1) [Engine is running]
Warm-up condition
Revving engine from idle to 3,000 rpm
quickly after the following conditions are met
–After keeping the engine speed between
3,500 and 4,000 rpm for 1 minute and at idle
for 1 minute under no load 0 - Approximately 1.0V
66 B Sensor ground
(Throttle position sensor) [Engine is running]
Warm-up condition
Idle speed
Approximately 0V
67 B/W Sensor ground [Engine is running]
Warm-up condition
Idle speed Approximately 0V
68 SB Sensor power supply
(Power steering pressure
sensor) [Ignition switch: ON]
Approximately 5V
69 R Throttle position sensor 2 [Ignition switch: ON]
Engine stopped
Selector lever: D
Accelerator pedal: Fully released
Less than 4.75V
[Ignition switch: ON]
Engine stopped
Selector lever: D
Accelerator pedal: Fully depressed More than 0.36V
TER-
MINAL NO. WIRE
COLOR ITEM CONDITION DATA (DC Voltage)
PBIB2046E
Page 2212 of 4731
![INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS EC-819
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Revision: 2005 July 2005 FX70 L/R Refrigerant pressure sensor [Engine is running]Warm-up condition
Both A/C switch and blowe INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS EC-819
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Revision: 2005 July 2005 FX70 L/R Refrigerant pressure sensor [Engine is running]Warm-up condition
Both A/C switch and blowe](/manual-img/42/57020/w960_57020-2211.png)
TROUBLE DIAGNOSIS EC-819
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Revision: 2005 July 2005 FX70 L/R Refrigerant pressure sensor [Engine is running]Warm-up condition
Both A/C switch and blower fan motor
switch: ON (Compressor operates) 1.0 - 4.0V
72 BR Intake valve timing control
position sensor (bank 1) [Engine is running]
Warm-up condition
Idle speed
0 - 1.0V
[Engine is running]
Engine speed: 2,000rpm 0 - 1.0V
73 OR Engine coolant temperature
sensor [Engine is running] Approximately 0 - 4.8V
Output voltage varies with
engine coolant temperature.
74 LG/B Heated oxygen sensor 2
(bank 2) [Engine is running]
Warm-up condition
Revving engine from idle to 3,000 rpm
quickly after the following conditions are met
–After keeping the engine speed between
3,500 and 4,000 rpm for 1 minute and at idle
for 1 minute under no load 0 - Approximately 1.0V
78 B/R Sensor ground
(Heated oxygen sensor) [Engine is running]
Warm-up condition
Idle speed
Approximately 0V
82 B/W Sensor ground
(APP sensor 1 / ICC steer-
ing switch / ASCD steering
switch) [Engine is running]
Warm-up condition
Idle speed
Approximately 0V
83 G/OR Sensor ground
(APP sensor 2) [Engine is running]
Warm-up condition
Idle speed
Approximately 0V
85 PU Data link connector [Ignition switch: ON]
CONSULT-II or GST: Disconnected Approximately 5V - Battery volt-
age (11 - 14V)
86 R CAN communication line [Ignition switch: ON] Approximately 1.1 - 2.3V
Output voltage varies with the
communication status.
90 L/B Sensor power supply
(APP sensor 1) [Ignition switch: ON]
Approximately 5V
91 G Sensor power supply
(APP sensor 2) [Ignition switch: ON]
Approximately 5V
94 L CAN communication line [Ignition switch: ON] Approximately 2.6 - 3.2V
Output voltage varies with the
communication status.
TER-
MINAL NO. WIRE
COLOR ITEM CONDITION DATA (DC Voltage)
PBIB2046E
Page 2213 of 4731
![INFINITI FX35 2005 Service Manual EC-820
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
98 B/P Accelerator pedal position
sensor 2 [Ignition switch: ON]
Engine stopped
Accelerator pedal: Fully released
0.15 - 0.60V
[Ign INFINITI FX35 2005 Service Manual EC-820
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
98 B/P Accelerator pedal position
sensor 2 [Ignition switch: ON]
Engine stopped
Accelerator pedal: Fully released
0.15 - 0.60V
[Ign](/manual-img/42/57020/w960_57020-2212.png)
EC-820
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
98 B/P Accelerator pedal position
sensor 2 [Ignition switch: ON]
Engine stopped
Accelerator pedal: Fully released
0.15 - 0.60V
[Ignition switch: ON]
Engine stopped
Accelerator pedal: Fully depressed 1.95 - 2.40V
99 G/Y ICC steering switch
(models with ICC system) [Ignition switch: ON]
ICC steering switch: OFF
Approximately 4.3V
[Ignition switch: ON]
MAIN switch: Pressed Approximately 0V
[Ignition switch: ON]
CANCEL switch: Pressed Approximately 1.3V
[Ignition switch: ON]
RESUME/ACCELERATE switch: Pressed Approximately 3.7V
[Ignition switch: ON]
SET/COAST switch: Pressed Approximately 3V
[Ignition switch: ON]
DISTANCE switch: Pressed Approximately 2.2V
99 G/Y ASCD steering switch
(models with ASCD system) [Ignition switch: ON]
ASCD steering switch: OFF
Approximately 4V
[Ignition switch: ON]
MAIN switch: Pressed Approximately 0V
[Ignition switch: ON]
CANCEL switch: Pressed Approximately 1V
[Ignition switch: ON]
RESUME/ACCELERATE switch: Pressed Approximately 3V
[Ignition switch: ON]
SET/COAST switch: Pressed Approximately 2V
101 P/L Stop lamp switch [Ignition switch: OFF]
Brake pedal: Fully released
Approximately 0V
[Ignition switch: OFF]
Brake pedal: Slightly depressed BATTERY VOLTAGE
(11 - 14V)
102 LG/B PNP switch [Ignition switch: ON]
Selector lever: P or N
Approximately 0V
[Ignition switch: ON]
Selector lever: Except above BATTERY VOLTAGE
(11 - 14V)
104 L/OR Throttle control motor relay [Ignition switch: OFF]
BATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON] 0 - 1.0V
106 R/B Accelerator pedal position
sensor 1 [Ignition switch: ON]
Engine stopped
Accelerator pedal: Fully released
0.5 - 1.0V
[Ignition switch: ON]
Engine stopped
Accelerator pedal: Fully depressed 3.9 - 4.7V
TER-
MINAL NO. WIRE
COLOR ITEM CONDITION DATA (DC Voltage)
Page 2214 of 4731
![INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS EC-821
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Revision: 2005 July 2005 FX
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.) 107 PU/ INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS EC-821
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Revision: 2005 July 2005 FX
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.) 107 PU/](/manual-img/42/57020/w960_57020-2213.png)
TROUBLE DIAGNOSIS EC-821
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Revision: 2005 July 2005 FX
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.) 107 PU/W
Fuel tank temperature sen-
sor [Engine is running] Approximately 0 - 4.8V
Output voltage varies with fuel
tank temperature.
108 SB ICC brake switch (models
witch ICC system)
ASCD brake switch (models
witch ASCD system) [Ignition switch: ON]
Brake pedal: Slightly depressed
Approximately 0V
[Ignition switch: ON]
Brake pedal: Fully released BATTERY VOLTAGE
(11 - 14V)
109 W/L Ignition switch [Ignition switch: OFF]
0V
[Ignition switch: ON] BATTERY VOLTAGE
(11 - 14V)
111 W / B ECM relay
(Self shut-off) [Engine is running]
[Ignition switch: OFF]
For a few seconds after turning ignition
switch OFF 0 - 1.5V
[Ignition switch: OFF]
More than a few seconds after turning igni-
tion switch OFF BATTERY VOLTAGE
(11 - 14V)
113 GY/R Fuel pump relay [Ignition switch: ON]
For 1 second after turning ignition switch ON
[Engine is running] 0 - 1.5V
[Ignition switch: ON]
More than 1 second after turning ignition
switch ON BATTERY VOLTAGE
(11 - 14V)
11 5
11 6 B/R
B/W ECM ground [Engine is running]
Idle speed Body ground
11 7 R / Y EVAP canister vent control
valve [Ignition switch: ON] BATTERY VOLTAGE
(11 - 14V)
11 9
120 R
R Power supply for ECM
[Ignition switch: ON] BATTERY VOLTAGE
(11 - 14V)
121 R/W Power supply for ECM
(Back-up) [Ignition switch: OFF] BATTERY VOLTAGE
(11 - 14V)
TER-
MINAL NO. WIRE
COLOR ITEM CONDITION DATA (DC Voltage)
Page 2215 of 4731
![INFINITI FX35 2005 Service Manual EC-822
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
CONSULT-II Function (ENGINE)ABS007I7
FUNCTION
*: The following emission-related diagnostic information is cleared when the ECM memory is e INFINITI FX35 2005 Service Manual EC-822
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
CONSULT-II Function (ENGINE)ABS007I7
FUNCTION
*: The following emission-related diagnostic information is cleared when the ECM memory is e](/manual-img/42/57020/w960_57020-2214.png)
EC-822
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
CONSULT-II Function (ENGINE)ABS007I7
FUNCTION
*: The following emission-related diagnostic information is cleared when the ECM memory is erased.
Diagnostic trouble codes
1st trip diagnostic trouble codes
Freeze frame data
1st trip freeze frame data
System readiness test (SRT) codes
Te s t v a l u e s Diagnostic test mode Function
Work support This mode enables a technician to adjust some devices faster and more accurately by following the
indications on the CONSULT-II unit.
Self-diagnostic results Self-diagnostic results such as 1st trip DTC, DTCs and 1st trip freeze frame data or freeze frame data
can be read and erased quickly.*
Data monitor Input/Output data in the ECM can be read.
Data monitor (SPEC) Input/Output of the specification for Basic fuel schedule, AFM, A/F feedback control value and the
other data monitor items can be read.
CAN diagnostic support
monitor The results of transmit/receive diagnosis of CAN communication can be read.
Active test Diagnostic Test Mode in which CONSULT-II drives some actuators apart from the ECMs and also
shifts some parameters in a specified range.
DTC & SRT confirmation The status of system monitoring tests and the self-diagnosis status/result can be confirmed.
Function test This mode is used to inform customers when their vehicle condition requires periodic maintenance.
ECM part number ECM part number can be read.
Page 2216 of 4731
![INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS EC-823
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Revision: 2005 July 2005 FX
ENGINE CONTROL COMPONENT PARTS/CONTROL SYSTEMS APPLICATION
Item DIAGNOSTIC TEST MODE
WORK SUP- INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS EC-823
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Revision: 2005 July 2005 FX
ENGINE CONTROL COMPONENT PARTS/CONTROL SYSTEMS APPLICATION
Item DIAGNOSTIC TEST MODE
WORK SUP-](/manual-img/42/57020/w960_57020-2215.png)
TROUBLE DIAGNOSIS EC-823
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Revision: 2005 July 2005 FX
ENGINE CONTROL COMPONENT PARTS/CONTROL SYSTEMS APPLICATION
Item DIAGNOSTIC TEST MODE
WORK SUP-
PORT SELF-DIAGNOS-
TIC RESULTS DATA
MONI-
TOR DATA
MONI- TOR
(SPEC) ACTIVE
TEST DTC & SRT
CONFIRMATION
DTC*1 FREEZE
FRAME
DATA*2 SRT
STATUS DTC
WORK SUP-
PORT
ENGINE CONTROL COMPONENT PARTS
INPUT
Crankshaft position sensor (POS) ××××
Camshaft position sensor
(PHASE) ××××
Mass air flow sensor ×××
Engine coolant temperature sen-
sor ×××××
Heated oxygen sensor 1 ×××××
Heated oxygen sensor 2 ×××××
Wheel sensor ××××
Accelerator pedal position sensor ×××
Throttle position sensor ×××
Fuel tank temperature sensor ××××
EVAP control system pressure
sensor ×××
Intake air temperature sensor ××××
Knock sensor ×
Refrigerant pressure sensor ××
Closed throttle position switch
(accelerator pedal position sensor
signal) ××
Air conditioner switch ××
Park/neutral position (PNP) switch ×××
Stop lamp switch ×××
Power steering pressure sensor ×××
Battery voltage ××
Load signal ××
Snow mode switch ××
Intake valve timing control position
sensor ×××
Fuel level sensor ×××
ICC steering switch ×××
ASCD steering switch ×××
ICC brake switch ×××
ASCD brake switch ×××