Page 65 of 4462
![INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-57
[ICC]
C
D E
F
G H
I
J
L
M A
B
ACS
Revision: 2006 December 2006 FX35/FX45
6. CHECK HARNESS BETWEEN ICC BRAKE HOLD RELAY AND ICC BRAKE SWIT INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-57
[ICC]
C
D E
F
G H
I
J
L
M A
B
ACS
Revision: 2006 December 2006 FX35/FX45
6. CHECK HARNESS BETWEEN ICC BRAKE HOLD RELAY AND ICC BRAKE SWIT](/manual-img/42/57019/w960_57019-64.png)
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-57
[ICC]
C
D E
F
G H
I
J
L
M A
B
ACS
Revision: 2006 December 2006 FX35/FX45
6. CHECK HARNESS BETWEEN ICC BRAKE HOLD RELAY AND ICC BRAKE SWITCH
1. Disconnect ICC brake switch connector and ICC unit connector.
2. Check continuity between ICC brake hold relay harness connec- tor and ICC brake switch harness connector.
3. Check continuity between ICC brake hold relay harness connec- tor and ground.
OK or NG
OK >> GO TO 7.
NG >> 1. Repair harness between ICC brake hold relay and ICC brake switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
7. CHECK HARNESS BETWEEN ICC UNIT AND ICC BRAKE HOLD RELAY
1. Disconnect ECM connector.
2. Check continuity between ICC unit harness connector and ICC brake hold relay harness connector.
3. Check continuity between ICC unit harness connector and ground.
OK or NG
OK >> GO TO 8.
NG >> 1. Repair harness between ICC unit and ICC brake hold relay.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
ICC brake hold
relay connector Terminal
ICC brake switch
connector Terminal Continuity
E14 3 E209 2 Yes
ICC brake hold
relay connector Terminal
Ground Continuity
E14 3 No
PKIB4167E
ICC unit connector Terminal ICC brake hold relay
connector Terminal Continuity
M89 29 E14 4 Yes
ICC unit connector Terminal Ground Continuity
M89 29 No
SKIA5980E
Page 66 of 4462
![INFINITI FX35 2006 Service Manual ACS-58
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
8. CHECK ICC BRAKE SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between I INFINITI FX35 2006 Service Manual ACS-58
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
8. CHECK ICC BRAKE SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between I](/manual-img/42/57019/w960_57019-65.png)
ACS-58
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
8. CHECK ICC BRAKE SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between ICC brake switch harness connector and ground.
OK or NG
OK >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
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.
9. CHECK STOP LAMP ILLUMINATION
1. Turn ignition switch OFF.
2. Disconnect ICC brake hold relay.
3. Check stop lamp circuit.
OK or NG
OK >> GO TO 10.
NG >> After repairing, erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
10. CHECK ICC BRAKE HOLD RELAY CIRCUIT
1. Connect ICC brake hold relay connector.
2. Disconnect stop lamp switch connector.
3. When brake pedal is not depressed, make sure that stop lamp does not illuminate.
OK or NG
OK >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NG >> GO TO 11.
11 . CHECK ICC BRAKE HOLD RELAY
1. Disconnect ICC brake hold relay.
2. Check ICC brake hold relay. Refer to ACS-74, "
ICC Brake Hold Relay" .
OK or NG
OK >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NG >> 1. Replace ICC brake hold relay. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
ICC brake switch
connector Terminal
Voltage (Approx.)
(+) ( −)
E209 1 Ground Battery voltage
PKIB4168E
Page 67 of 4462
![INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-59
[ICC]
C
D E
F
G H
I
J
L
M A
B
ACS
Revision: 2006 December 2006 FX35/FX45
12. CHECK HARNESS BETWEEN ICC UNIT AND ICC BRAKE HOLD RELAY
1. INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-59
[ICC]
C
D E
F
G H
I
J
L
M A
B
ACS
Revision: 2006 December 2006 FX35/FX45
12. CHECK HARNESS BETWEEN ICC UNIT AND ICC BRAKE HOLD RELAY
1.](/manual-img/42/57019/w960_57019-66.png)
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-59
[ICC]
C
D E
F
G H
I
J
L
M A
B
ACS
Revision: 2006 December 2006 FX35/FX45
12. CHECK HARNESS BETWEEN ICC UNIT AND ICC BRAKE HOLD RELAY
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector and ICC brake hold relay.
3. Check continuity between ICC unit harness connector and ICC brake hold relay harness connector.
4. Check continuity between ICC unit harness connector and ground.
OK or NG
OK >> GO TO 13.
NG >> 1. Repair harness between ICC unit and ICC brake hold relay.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
13. CHECK ICC BRAKE HOLD RELAY GROUND CIRCUIT
Check continuity between ICC brake hold relay harness connector
and ground.
OK or NG
OK >> GO TO 14.
NG >> 1. Repair 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.
14. CHECK ICC BRAKE HOLD RELAY
Check ICC brake hold relay. Refer to ACS-74, "
ICC Brake Hold Relay" .
OK or NG
OK >> GO TO 15.
NG >> 1. Replace ICC brake hold relay.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
ICC unit connector Terminal ICC brake hold relay
connector Terminal Continuity
M89 47 E14 1 Yes
ICC unit connector Terminal Ground Continuity
M89 47 No
SKIA6660E
ICC brake hold
relay connector Terminal
Ground Continuity
E14 2 Yes
SKIA6661E
Page 68 of 4462
![INFINITI FX35 2006 Service Manual ACS-60
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
15. CHECK ICC UNIT STANDARD VOLTAGE
With CONSULT-II
1. Connect ICC unit connector and stop lamp sw INFINITI FX35 2006 Service Manual ACS-60
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
15. CHECK ICC UNIT STANDARD VOLTAGE
With CONSULT-II
1. Connect ICC unit connector and stop lamp sw](/manual-img/42/57019/w960_57019-67.png)
ACS-60
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
15. CHECK ICC UNIT STANDARD VOLTAGE
With CONSULT-II
1. Connect ICC unit connector and stop lamp switch connector.
2. Perform “ACTIVE TEST”(“STOP LAMP”:“STP LMP DRIVE ON”) with CONSULT-II, check voltage between ICC unit harness con-
nector and ground.
OK or NG
OK >> GO TO 16.
NG >> 1. Replace ICC unit.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
16. CHECK ICC BRAKE HOLD RELAY POWER SUPPLY CIRCUIT
Check voltage between ICC brake hold relay harness connector and
ground.
OK or NG
OK >> GO TO 17.
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.
17. CHECK HARNESS BETWEEN ICC UNIT AND ICC BRAKE HOLD RELAY
1. Turn ignition switch OFF.
2. Disconnect ICC unit.
3. Check continuity between ICC unit harness connector and ICC brake hold relay harness connector.
4. Check continuity between ICC unit harness connector and ground.
OK or NG
OK >> GO TO 18.
NG >> 1. Repair harness between ICC unit and ICC brake hold relay.
2. Erase DTC and perform ICC system running test. Then, perform self-diagnosis of ICC system again.
ICC unit
connector Terminal
Condition Voltage
(Approx.)
(+) ( −)
M89 47 Ground During “ACTIVE TEST” 12 V
SKIA3075E
ICC brake hold relay con- nector Terminal
Voltage
(Approx.)
(+) ( −)
E14 6 Ground Battery voltage
SKIA1198E
ICC unit
connector Te r m i n a l ICC brake hold
relay connector Terminal Continuity
M89 38 E14 7 Yes
ICC unit
connector Te r m i n a l
Ground Continuity
M89 38 No
SKIA6663E
Page 69 of 4462
![INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-61
[ICC]
C
D E
F
G H
I
J
L
M A
B
ACS
Revision: 2006 December 2006 FX35/FX45
18. CHECK ICC BRAKE HOLD RELAY
With CONSULT-II
1. Connect INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-61
[ICC]
C
D E
F
G H
I
J
L
M A
B
ACS
Revision: 2006 December 2006 FX35/FX45
18. CHECK ICC BRAKE HOLD RELAY
With CONSULT-II
1. Connect](/manual-img/42/57019/w960_57019-68.png)
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-61
[ICC]
C
D E
F
G H
I
J
L
M A
B
ACS
Revision: 2006 December 2006 FX35/FX45
18. CHECK ICC BRAKE HOLD RELAY
With CONSULT-II
1. Connect ICC unit connector and ICC brake hold relay.
2. Disconnect stop lamp switch connector.
3. Perform “ACTIVE TEST” (“STOP LAMP”) with CONSULT-II, and make sure that stop lamp is illuminated.
OK or NG
OK >> GO TO 19.
NG >> 1. Replace ICC brake hold relay.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
19. CHECK ICC UNIT STANDARD VOLTAGE
With CONSULT-II
1. Connect stop lamp switch connector.
2. Perform “ACTIVE TEST” (“STOP LAMP”:“STP LMP DRIVE ON”) with CONSULT-II, check voltage between ICC unit harness
connector and ground.
OK or NG
OK >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NG >> 1. Replace stop lamp switch. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
DTC 92 ECM CIRCUITNKS003FH
1. CHECK ICC UNIT SELF-DIAGNOSIS
With CONSULT-II
1. Perform self-diagnosis with CONSULT-II.
2. Check if “DTC 20 CAN COMM CIRCUIT” other than “DTC 92 ECM CIRCUIT” is indicated in self-diagnosis item in the display.
Is it 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 2.
ICC unit
connector Terminal
Condition Voltage
(Approx.)
(+) ( −)
M89 29 Ground During “ACTIVE
TEST” 0 V
SKIA1200E
Page 70 of 4462
![INFINITI FX35 2006 Service Manual ACS-62
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
2. CHECK ECM SELF-DIAGNOSIS
With CONSULT-II
1. Perform ECM self-diagnosis with CONSULT-II.
2. Check INFINITI FX35 2006 Service Manual ACS-62
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
2. CHECK ECM SELF-DIAGNOSIS
With CONSULT-II
1. Perform ECM self-diagnosis with CONSULT-II.
2. Check](/manual-img/42/57019/w960_57019-69.png)
ACS-62
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
2. CHECK ECM SELF-DIAGNOSIS
With CONSULT-II
1. Perform ECM self-diagnosis with CONSULT-II.
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 unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
DTC 96 NP RANGENKS003FI
1. CHECK CONNECTOR ICC UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector, and connect them securely again.
3. Erase DTC and then perform ICC system running test. Then perform self-diagnosis of ICC system again.
Is malfunction indicated?
YES >> GO TO 2.
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.
2. CHECK NP RANGE SWITCH SIGNAL
With CONSULT-II
With “DATA MONITOR”, check that “NP RANGE SW” operates normally. Refer to ACS-33, "
DATA MONITOR"
.
OK or NG
OK >> GO TO 5.
NG >> GO TO 3.
Page 71 of 4462
![INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-63
[ICC]
C
D E
F
G H
I
J
L
M A
B
ACS
Revision: 2006 December 2006 FX35/FX45
3. CHECK HARNESS BETWEEN ICC UNIT AND TCM
1. Turn ignition swit INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-63
[ICC]
C
D E
F
G H
I
J
L
M A
B
ACS
Revision: 2006 December 2006 FX35/FX45
3. CHECK HARNESS BETWEEN ICC UNIT AND TCM
1. Turn ignition swit](/manual-img/42/57019/w960_57019-70.png)
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-63
[ICC]
C
D E
F
G H
I
J
L
M A
B
ACS
Revision: 2006 December 2006 FX35/FX45
3. CHECK HARNESS BETWEEN ICC UNIT AND TCM
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector and A/T assembly connector.
3. Check continuity between ICC unit harness connector and A/T assembly harness connector.
4. Check continuity between ICC unit harness connector and ground.
OK or NG
OK >> GO TO 4.
NG >> 1. Repair harness between ICC unit and A/T assembly.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
4. CHECK TCM START SIGNAL CIRCUIT
Check TCM start signal. Refer to AT- 1 0 7 , "
DTC P0615 START SIGNAL CIRCUIT" .
OK or NG
OK >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NG >> 1. Repair or replace damaged parts.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
5. CHECK SHIFT POSITION SIGNAL
With CONSULT-II
With TCM diagnosis, check that shift operates normally. Refer to AT- 11 2 , "
DTC P0705 PARK/NEUTRAL
POSITION SWITCH" .
OK or NG
OK >> 1. Replace ICC unit.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NG >> 1. Perform TCM self-diagnosis. 2. After repairing or replacing applicable item, erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
ICC unit
connector TerminalA/T assembly
connector Terminal Continuity
M88 7 F44 9 Yes
ICC unit
connector Terminal
Ground Continuity
M88 7 No
PKIB1447E
Page 72 of 4462
![INFINITI FX35 2006 Service Manual ACS-64
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
DTC 97 AT CIRCUITNKS003FJ
1. CHECK AT CIRCUIT
With CONSULT-II
With TCM diagnosis, check that shift INFINITI FX35 2006 Service Manual ACS-64
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
DTC 97 AT CIRCUITNKS003FJ
1. CHECK AT CIRCUIT
With CONSULT-II
With TCM diagnosis, check that shift](/manual-img/42/57019/w960_57019-71.png)
ACS-64
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
DTC 97 AT CIRCUITNKS003FJ
1. CHECK AT CIRCUIT
With CONSULT-II
With TCM diagnosis, check that shift operates normally. Refer to AT- 11 2 , "
DTC P0705 PARK/NEUTRAL
POSITION SWITCH" .
OK or NG
OK >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NG >> 1. Perform TCM self-diagnosis. 2. After repairing or replacing applicable item, erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
DTC 98 GEAR POSITIONNKS003FK
1. CHECK ICC UNIT SELF-DIAGNOSIS
With CONSULT-II
1. Perform self-diagnosis.
2. Check if “DTC 43 ABS/TCS/VDC CIRC” or “DTC 41 VHCL SPEED SE CIRC” other than “DTC 98 GEAR POSITION” is indicated in self-diagnosis item in the display.
Is any 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 2.
2. CHECK VEHICLE SPEED SIGNAL
With CONSULT-II
With “DATA MONITOR”, check that “VHCL SPEED SE” is normal.
OK or NG
OK >> GO TO 3.
NG >> 1. Replace ICC unit.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
3. CHECK SHIFT GEAR POSITION
Check that gear positions are correct in A/T.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. CHECK TCM GEAR POSITION SIGNAL
With CONSULT-II
With TCM “DATA MONITOR” with CONSULT-II, check that gear positions are correct.
OK or NG
OK >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NG >> 1. Perform TCM self-diagnosis.
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.