2007 INFINITI M35 steering

ACS-32
[ICC]
TROUBLE DIAGNOSIS - GENERAL DESCRIPTION
Revision: 2007 April2007 M35/M45
THRTL SENSOR
[deg]××NOTE:
This item is displayed, but cannot monitor.
SET DISTANCE
[SHOR/MID/LONG]××Indicates set distance memorized in ICC sensor integrated unit.
MAIN SW
[ON/OFF]××Indicates [ON/OFF] status as judged from ICC steering switch signal (ECM
transmits ICC steering switch signal through CAN communication).
SET/COAST SW
[ON/OFF]××Indicates [ON/OFF] status as judged from ICC steering switch signal (ECM
transmits ICC steering switch signal through CAN communication).
CANCEL SW
[ON/OFF]××Indicates [ON/OFF] status as judged from ICC steering switch signal (ECM
transmits ICC steering switch signal through CAN communication).
RESUME/ACC SW
[ON/OFF]××Indicates [ON/OFF] status as judged from ICC steering switch signal (ECM
transmits ICC steering switch signal through CAN communication).
DISTANCE SW
[ON/OFF]×Indicates [ON/OFF] status as judged from ICC steering switch signal (ECM
transmits ICC steering switch signal through CAN communication).
CRUISE OPE
[ON/OFF]××Indicates whether controlling or not (ON means “controlling”).
BRAKE SW
[ON/OFF]××Indicates [ON/OFF] status as judged from ICC brake switch signal (ECM
transmits ICC brake switch signal through CAN communication).
STOP LAMP SW
[ON/OFF]××Indicates [ON/OFF] status as judged from stop lamp switch signal (ECM
transmits stop lamp switch signal through CAN communication).
CRUISE LAMP
[ON/OFF]××Indicates [ON/OFF] status of MAIN switch indicator lamp output.
CLUTCH SW SIG
[ON/OFF]××NOTE:
This item is displayed, but cannot monitor.
NP SW SIG
[ON/OFF]××NOTE:
This item is displayed, but cannot monitor.
STP LMP DRIVE
[ON/OFF]××Indicates [ON/OFF] status of ICC brake hold relay drive output.
PWR SUP MONI
[V]××Indicates IGN voltage input by ICC sensor integrated unit.
IDLE SW
[ON/OFF]×Indicates [ON/OFF] status of idle switch read from ICC sensor integrated
unit through CAN communication (ECM transmits ON/OFF status through
CAN communication).
OWN VHCL
[ON/OFF]×Indicates [ON/OFF] status of own vehicle indicator output.
VHCL AHEAD
[ON/OFF]×Indicates [ON/OFF] status of vehicle ahead detection indicator output.
ICC WARNING
[ON/OFF]×Indicates [ON/OFF] status of ICC system warning lamp output.
BUZZER O/P
[ON/OFF] ×Indicates [ON/OFF] status of ICC warning chime output.
ENGINE RPM
[rpm]×Indicates engine speed read from ICC sensor integrated unit through CAN
communication (ECM transmits engine speed through CAN communica-
tion).
WIPER SW
[OFF/LOW/HIGH]×Indicates wiper [OFF/LOW/HIGH] status (BCM transmits front wiper request
signal through CAN communication).
YAW R AT E
[deg/s]×NOTE:
This item is displayed, but cannot monitor.
D RANGE SW
[ON/OFF]
×Indicates [ON/OFF] status of “D” and “M” positions read from ICC sensor
integrated unit through CAN communication; ON when position “D” and “M”
(TCM transmits A/T position indicator lamp signal through CAN communi-
cation). Monitored Item [unit]MAIN
SIGNALSSELEC-
TION FROM
MENUDescription

ACS-36
[ICC]
TROUBLE DIAGNOSIS - GENERAL DESCRIPTION
Revision: 2007 April2007 M35/M45
Self-Diagnostic Erasing Method
1. Stop the vehicle and turn ignition switch OFF.
2. Start engine and start self-diagnosis.
3. During self-diagnosis mode, press CANCEL switch 5 times, and
DISTANCE switch 5 times in this order.
CAUTION:

Press them within 10 seconds after pressing CANCEL
switch at first.

When operation is not completed within 10 seconds, start
again from step 2 above.
4. DTC 55 will be shown.
CAUTION:
DTC of an existing malfunction will not be erased.
5. Turn ignition switch OFF to exit the diagnosis.
6. Perform ICC system running test (drive vehicle with ICC system ON), and make sure that ICC system
warning lamp (Orange) does not illuminate.
SELF-DIAGNOSIS BY DOT MATRIX LCD WILL NOT RUN
Possible Irregular Condition
PKIB8373E
PKIB8374E
Open or short lines Symptoms Malfunction causes
ICC sensor integrated unit power supply
malfunctionNo voltage supply from ignition switch Fuse blown.
Harness open.
Harness shorted.
Ground cable not connected Harness open.
Harness shorted.
ICC steering switch malfunction No signal transmitted Harness open.
Harness shorted.
Spiral cable open.
Spiral cable shorted.
ICC steering switch or ECM malfunction.
CAN communication system malfunction Signal not transmitted Harness open.
Harness shorted.
CAN communication malfunction.
Combination meter system malfunction Indication not possible Combination meter malfunction.
Unified meter and A/C amp. malfunction.
Dot matrix LCD malfunction.
ICC sensor integrated unit malfunctionICC sensor integrated unit internal mal-
function.

ACS-38
[ICC]
TROUBLE DIAGNOSIS - GENERAL DESCRIPTION
Revision: 2007 April2007 M35/M45
5. CHECK CONNECTOR FOR ICC SENSOR INTEGRATED UNIT
1. Check terminals for bend and looseness.
2. Securely connect ICC sensor integrated unit connector again.
3. Perform self-diagnosis without CONSULT-II. Refer toACS-35, "
WITHOUT CONSULT-II" .
Can self
-diagnosis be performed?
YES >> Check connector. (Check connector housing for disconnected, loose, bent, and collapsed termi-
nals. If any malfunction is detected, repair applicable part.)
NO >> GO TO 6.
6. CHECK ICC STEERING SWITCH
Check ICC steering switch. Refer to ACS-69, "
ICC Steering Switch" .
OK or NG
OK >> GO TO 7.
NG >> Replace ICC steering switch.
7. CHECK HARNESS BETWEEN ECM AND ICC STEERING SWITCH
1. Turn ignition switch OFF.
2. Disconnect ECM connector.
3. Check resistance between ECM harness connector.
4. Check continuity between ECM harness connector and ground.
OK or NG
OK >> GO TO 8.
NG >> Repair or replace harness between ECM and ICC steer-
ing switch.
8. CHECK CONNECTOR FOR ECM
1. Check terminals for bend and looseness.
2. Securely connect ECM connector again.
3. Perform self-diagnosis without CONSULT-II. Refer to ACS-35, "
WITHOUT CONSULT-II" .
Can self
-diagnosis be performed?
YES >> Check connector. (Check connector housing for disconnected, loose, bent, and collapsed termi-
nals. If any malfunction is detected, repair applicable part.)
NO >> GO TO 9.
ECM
connectorTerminal ECM
connectorTerminal ConditionResis-
tance
(Approx.)
F108 67 M71 99When MAIN switch
pressed0 Ω
When MAIN switch
released5.5 kΩ
PKIB8377E
ECM connector Terminal
GroundContinuity
F108 67 No
M71 99 No
PKIB8378E

ACS-40
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMSPFP:25962
Diagnostic Trouble Code (DTC) ChartNKS004CZ
×: Applicable
DTC
No.CONSULT-II
screen termsICC
system
warning
lampFail-safe
Malfunctions detected where...Refer-
ence
page Vehicle-
to-
vehicle
distance
control
modeConven-
tional
(fixed
speed)
cruise
control
modeBrake
assist
(with
preview
function)
0CONTROL UNIT
[C1A00]××××

ICC sensor integrated unit internal
malfunction.ACS-42
1POWER SUPPLY CIR
[C1A01]××××

ICC sensor integrated unit power
supply voltage is excessively low
(less than 8V).ACS-42
2POWER SUPPLY CIR 2
[C1A02]××××

ICC sensor integrated unit power
supply voltage is excessively high
(more than 19V).ACS-42
3VHCL SPEED SE CIRC
[C1A03]××××

Wheel sensor malfunction.

ABS actuator and electric unit
(control unit) malfunction.

A/T vehicle speed sensor mal-
function.

TCM malfunction.

ICC sensor integrated unit mal-
function.ACS-43
4ABS/TCS/VDC CIRC
[C1A04]××××
VDC/TCS/ABS system malfunc-
tion.ACS-43
5BRAKE SW/STOP L SW
[C1A05]××××

Stop lamp switch harness is open
or shorted.

Stop lamp switch is stuck to OFF.

ICC brake switch or stop lamp
switch is stuck to ON.

ECM malfunction.

ABS actuator and electric unit
(control unit) malfunction.ACS-44
6OPERATION SW CIRC
[C1A06]×××

ICC steering switch harness or
spiral cable is open or shorted.

ICC steering switch malfunction.ACS-48
12LASER BEAM OFFCNTR
[C1A12]×× ×
Laser beam of ICC sensor inte-
grated unit is off the aiming point.ACS-49
13STOP LAMP RLY FIX
[C1A13]×× ×

Normally open terminal of ICC
brake hold relay is stuck.

Improper installation of ICC brake
switch or stop lamp switch.

ICC brake switch malfunction.

ECM malfunction.

ABS actuator and electric unit
(control unit) malfunction.ACS-50

ACS-48
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
DTC 6 OPERATION SW CIRCNKS004D5
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “OPERATION SW CIRC [C1A06]” (DTC
6) is indicated in self-diagnosis item in the display.
Is it indicated?
YES >> 1. CAN communication inspection. Refer to ACS-61, "DTC 100 CAN COMM CIRCUIT" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NO >> GO TO 2.
2. CHECK CONNECTOR FOR ECM
1. Turn ignition switch OFF.
2. Disconnect ECM connector, and connect it securely again.
3. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
4. Check if “OPERATION SW CIRC [C1A06]” (DTC 6) is indicated in self-diagnosis item in the display.
Is it indicated?
YES >> GO TO 3.
NO >> Poor connector connection
1. Check connector. (Check connector housing for disconnected, loose, bent, and collapsed ter-
minals. If any malfunction is detected, repair applicable part.)
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
3. CHECK ICC STEERING SWITCH
1. Turn ignition switch OFF.
2. Check ICC steering switch. Refer to ACS-69, "
ICC Steering Switch" .
OK or NG
OK >> GO TO 4.
NG >> 1. Replace ICC steering switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-49
[ICC]
C
D
E
F
G
H
I
J
L
MA
B
ACS
Revision: 2007 April2007 M35/M45
4. CHECK ICC STEERING SWITCH SIGNAL CIRCUIT
1. Disconnect spiral cable connector and ECM connector.
2. Check continuity between spiral cable harness connector (A)
and ECM harness connector (B).
3. Check continuity between spiral cable harness connector (A)
and ground.
OK or NG
OK >> GO TO 5.
NG >> 1. Repair or replace harness between spiral cable and ECM.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
5. CHECK COMBINATION SWITCH (SPIRAL CABLE)
Check continuity between spiral cable terminals.
OK or NG
OK >> 1. Perform “ENGINE” self-diagnosis. Refer to EC-123,
"CONSULT-II Function (ENGINE)" (for VQ35DE) or
EC-826, "
CONSULT-II Function (ENGINE)" (for
VK45DE).
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NG >> 1. Replace spiral cable.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 12 LASER BEAM OFFCNTRNKS004D6
1. ADJUST LASER BEAM AIMING
1. Adjust laser beam aiming. Refer to ACS-15, "
LASER BEAM AIMING ADJUSTMENT"
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
3. Check if “LASER BEAM OFFCNTR [C1A12]” (DTC 12) is indicated in self-diagnosis item in the display.
Is it indicated?
YES >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> INSPECTION END
AB
Continuity
Connector Terminal Connector Terminal
M3931 F108 67
Ye s
34 M71 99
A
GroundContinuity
Connector Terminal
M3931
No
34
PKIB9339E
AB
Continuity
Terminal Terminal
31 18
Ye s
34 21
PKIB9340E

TROUBLE DIAGNOSIS FOR SYMPTOMS
ACS-63
[ICC]
C
D
E
F
G
H
I
J
L
MA
B
ACS
Revision: 2007 April2007 M35/M45
Symptom 1: MAIN Switch Does Not Turn ON*1 , MAIN Switch Does Not Turn
OFF
*2NKS004DK
NOTE:

*1: The MAIN switch indicator lamp in the combination meter does not illuminate.

*2: The MAIN switch indicator lamp in the combination meter remains powered.
1. CHECK MAIN SWITCH
With CONSULT-II
With “ICC” “DATA MONITOR”, check if “MAIN SW” and “CRUISE LAMP” operate normally.
OK or NG
OK >> GO TO 2.
NG >> GO TO 4.
2. CHECK UNIFIED METER AND A/C AMP.
With CONSULT-II
With “METER A/C AMP” “DATA MONITOR”, check if “CRUISE IND” operates normally.
OK or NG
OK >> 1. Perform “METER A/C AMP”self-diagnosis. Refer toDI-18, "CONSULT-II Function (METER A/C
AMP)" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NG >> GO TO 3.
3. CHECK CONNECTOR ICC SENSOR INTEGRATED UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC sensor integrated unit connector, and connect it securely again.
3. Check if the malfunction is improved.
Is it improved?
YES >> Poor connector connection
1. Check connector. (Check connector housing for disconnected, loose, bent, and collapsed ter-
minals. If any malfunction is detected, repair applicable part.)
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> GO TO 4.
4. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
With CONSULT-II
1. Perform self-diagnosis.
2. Check if “DTC 100 CAN COMM CIRCUIT” is indicated.
Is it indicated?
YES >> CAN communication inspection. Refer to ACS-61, "DTC 100 CAN COMM CIRCUIT" .
NO >> ICC steering switch inspection. Refer to ACS-48, "
DTC 6 OPERATION SW CIRC" .

TROUBLE DIAGNOSIS FOR SYMPTOMS
ACS-65
[ICC]
C
D
E
F
G
H
I
J
L
MA
B
ACS
Revision: 2007 April2007 M35/M45
Symptom 3: ICC System Cannot Be Operated by CANCEL Switch, RESUME/
ACCELERATE Switch or DISTANCE Switch
NKS004DM
RESUME does not function in the following cases.

When MAIN switch is turned off once.

When the vehicle speed is less than 25 MPH (40 km/h).
1. CHECK SWITCHES
With CONSULT-II
With “ICC” “DATA MONITOR”, check if switches operate normally.

“RESUME/ACC SW”

“CANCEL SW”

“DISTANCE SW”
OK or NG
OK >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NG >> GO TO 2.
2. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
With CONSULT-II
1. Perform self-diagnosis.
2. Check if “DTC 100 CAN COMM CIRCUIT” is indicated.
Is it indicated?
YES >> CAN communication inspection. Refer to ACS-61, "DTC 100 CAN COMM CIRCUIT" .
NO >> ICC steering switch inspection. Refer to ACS-48, "
DTC 6 OPERATION SW CIRC" .
Symptom 4: ICC System Is Not Cancelled When the A/T Selector Lever Is In
Other Than “D” and “M”
NKS004DN
1. CHECK D RANGE SWITCH
With CONSULT-II
With “ICC” “DATA MONITOR”, check if “D RANGE SW” and “NP RANGE SW” operate normally.
OK or NG
OK >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NG >> GO TO 2.
2. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
With CONSULT-II
1. Perform self-diagnosis.
2. Check if “DTC 100 CAN COMM CIRCUIT” is indicated.
Is it indicated?
YES >> CAN communication inspection. Refer to ACS-61, "DTC 100 CAN COMM CIRCUIT" .
NO >> GO TO 3.