2007 INFINITI M35 brake sensor

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

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-41
[ICC]
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ACS
Revision: 2007 April2007 M35/M45
14ECM CIRCUIT
[C1A14]××××

ECM malfunction.

Accelerator pedal position sensor
malfunction.

ICC sensor integrated unit mal-
function.ACS-56
15GEAR POSITION
[C1A15]×××

TCM malfunction.

A/T turbine revolution sensor mal-
function.

A/T vehicle speed sensor mal-
function.ACS-57
16RADAR STAIN
[C1A16]×× ×
ICC sensor integrated unit body
window has contamination.ACS-58
18LASER AIMING INCMP
[C1A18]×× ×
Laser beam aiming of ICC sensor
integrated unit is not adjusted.ACS-58
21UNIT HIGH TEMP
[C1A21]×× ×
Temperature around ICC sensor
integrated unit is excessively high.ACS-58
24NP RANGE
[C1A24]×××

Park/neutral position switch mal-
function.

TCM malfunction.ACS-59
25 SHIFT RANGE IND
[C1A25]×××
TCM malfunction.ACS-59
26ECD MODE MALF
[C1A26]×××

ABS actuator and electric unit
(control unit) malfunction.

ICC sensor integrated unit mal-
function.ACS-60
27ECD PWR SUPLY CIR
[C1A27]××××

ABS actuator and electric unit
(control unit) power supply voltage
is excessively low.

ABS actuator and electric unit
(control unit) malfunction.ACS-60
55NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.
No malfunction item has been
detected. —
100CAN COMM CIRCUIT
[U1000]××××

ICC sensor integrated unit detects
CAN communication malfunction.ACS-61
11 0CONTROL UNIT (CAN)
[U1010]××××

ICC sensor integrated unit detects
malfunction by CAN initial diagno-
sis.ACS-61
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)

ACS-44
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
2. PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-II
1. Perform “ABS” self-diagnosis. Refer to BRC-23, "
CONSULT-II Functions (ABS)" .
2. Check if malfunction is indicated.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> 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.
DTC 5 BRAKE SW/STOP L SWNKS004D4
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “BRAKE SW/STOP L SW [C1A05]” (DTC
5) 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 ICC BRAKE SWITCH WITH ICC DATA MONITOR
With CONSULT-II
With “ICC” “DATA MONITOR”, check if “BRAKE SW” operates normally.
OK or NG
OK >> GO TO 3.
NG >> GO TO 6.
3. CHECK STOP LAMP SWITCH WITH ABS DATA MONITOR
With CONSULT-II
With “ABS” “DATA MONITOR”, check if “STOP LAMP SW” operates normally.
OK or NG
OK >> GO TO 4.
NG >> GO TO 11.
4. PERFORM ECM SELF-DIAGNOSIS
With CONSULT-II
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. Check if malfunction is indicated.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> GO TO 5.

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-45
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Revision: 2007 April2007 M35/M45
5. PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-II
1. Perform “ABS” self-diagnosis. Refer to BRC-23, "
CONSULT-II Functions (ABS)" .
2. Check if malfunction is indicated.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> 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.
6. CHECK ICC BRAKE SWITCH INSTALLATION AND ADJUSTMENT
Check ICC brake switch for proper installation, and adjust the switch if necessary. Refer to BR-6, "
BRAKE
PEDAL" .
OK or NG
OK >> GO TO 7.
NG >> 1. Adjust ICC brake switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
7. CHECK ICC BRAKE SWITCH
Check ICC brake switch. Refer to ACS-69, "
ICC Brake Switch and Stop Lamp Switch" .
OK or NG
OK >> GO TO 8.
NG >> 1. Replace ICC brake switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
8. CHECK ICC BRAKE SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ICC brake switch connector.
3. Turn ignition switch ON.
4. Check voltage between ICC brake switch harness connector
and ground.
OK or NG
OK >> GO TO 9.
NG >> 1. Repair or replace harness or fuse.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
Terminals
Voltage
(Approx.) (+)
(–)
ICC brake switch
connectorTe r m i n a l
E111 1 Ground Battery voltage
PKIB9335E

ACS-46
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
9. CHECK HARNESS BETWEEN ICC BRAKE SWITCH AND ECM
1. Turn ignition switch OFF.
2. Disconnect ECM connector.
3. Check continuity between ICC brake switch harness connector
(A) and ECM harness connector (B).
4. Check continuity between ICC brake switch harness connector
(A) and ground.
OK or NG
OK >> GO TO 10.
NG >> 1. Repair or replace harness between ICC brake switch and ECM.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
10. PERFORM ECM SELF-DIAGNOSIS
With CONSULT-II
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. Check if malfunction is indicated.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> 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.
11 . CHECK STOP LAMP SWITCH INSTALLATION AND ADJUSTMENT
Check stop lamp switch for proper installation, and adjust the switch if necessary. Refer to BR-6, "
BRAKE
PEDAL" .
OK or NG
OK >> GO TO 12.
NG >> 1. Adjust stop lamp switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
12. CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to ACS-69, "
ICC Brake Switch and Stop Lamp Switch" .
OK or NG
OK >> GO TO 13.
NG >> 1. Replace stop lamp switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
AB
Continuity
Connector Terminal Connector Terminal
E 111 2 M 7 1 1 0 8 Ye s
A
GroundContinuity
Connector Terminal
E 111 2 N o
PKIB9336E

ACS-50
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
DTC 13 STOP LAMP RLY FIXNKS004D7
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “STOP LAMP RLY FIX [C1A13]” (DTC 13)
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 “STOP LAMP RLY FIX [C1A13]” (DTC 13) 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 STOP LAMP SWITCH WITH ICC DATA MONITOR
With CONSULT-II
With “ICC” “DATA MONITOR”, check if “STOP LAMP SW” operates normally.
OK or NG
OK >> GO TO 11.
NG >> GO TO 4.
4. CHECK STOP LAMP SWITCH INSTALLATION AND ADJUSTMENT
Check stop lamp switch for proper installation, and adjust the switch if necessary. Refer to BR-6, "
BRAKE
PEDAL" .
OK or NG
OK >> GO TO 5.
NG >> 1. Adjust stop lamp switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
5. CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to ACS-69, "
ICC Brake Switch and Stop Lamp Switch" .
OK or NG
OK >> GO TO 6.
NG >> 1. Replace stop lamp switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

ACS-52
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
10. PERFORM ECM SELF-DIAGNOSIS
With CONSULT-II
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. Check if malfunction is indicated.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> 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.
11 . CHECK HARNESS BETWEEN ICC SENSOR INTEGRATED UNIT AND ICC BRAKE HOLD RELAY
1. Turn ignition switch OFF.
2. Disconnect ICC sensor integrated unit connector and ICC brake hold relay.
3. Check continuity between ICC sensor integrated unit harness
connector (A) and ICC brake hold relay harness connector (B).
4. Check continuity between ICC sensor integrated unit harness
connector (A) and ground.
OK or NG
OK >> GO TO 12.
NG >> 1. Repair harness between ICC sensor integrated unit and ICC brake hold relay.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
12. CHECK ICC BRAKE HOLD RELAY GROUND CIRCUIT
Check continuity between ICC brake hold relay harness connector
and ground.
OK or NG
OK >> GO TO 13.
NG >> 1. Repair or replace harness between ICC brake hold
relay and ground.
2. Erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
AB
Continuity
Connector Terminal Connector Terminal
E61 2 E80 2 Yes
A
GroundContinuity
Connector Terminal
E61 2 No
PKIB9338E
ICC brake hold relay
connectorTerminal
GroundContinuity
E80 1 Yes
PKIB9341E

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-53
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Revision: 2007 April2007 M35/M45
13. CHECK ICC SENSOR INTEGRATED UNIT STANDARD VOLTAGE
With CONSULT-II
1. Connect ICC sensor integrated unit connector.
2. Turn ignition switch ON.
3. Perform “ACTIVE TEST” (“STOP LAMP”: “STP LMP DRIVE
ON”) with CONSULT-II, check voltage between ICC brake hold
relay harness connector and ground.
OK or NG
OK >> GO TO 14.
NG >> 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.
14. CHECK ICC BRAKE HOLD RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between ICC brake hold relay harness connector
and ground.
OK or NG
OK >> GO TO 15.
NG >> 1. Repair or replace harness or fuse.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
Terminals
ConditionVoltage
(Approx.) (+)
(–)
ICC brake hold
relay connectorTerminal
E80 2 GroundDuring
“ACTIVE TEST”12 V
PKIB9342E
Terminals
Voltage
(Approx.) (+)
(–)
ICC brake hold relay
connectorTerminal
E80 3 Ground Battery voltage
PKIB9343E