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![INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-49
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2. CHECK ICC STEERING SWITCH
Check ICC steering switch. Refer t INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-49
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2. CHECK ICC STEERING SWITCH
Check ICC steering switch. Refer t](/manual-img/42/57019/w960_57019-56.png)
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-49
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2. CHECK ICC STEERING SWITCH
Check ICC steering switch. Refer to ACS-73, "
ICC Steering Switch" .
OK or NG
OK >> GO TO 3.
NG >> 1. Replace ICC steering switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
3. CHECK ICC STEERING SWITCH SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM connector and spiral cable connector.
3. Check continuity between spiral cable harness connector and ECM harness connector.
4. Check continuity between spiral cable harness connector and ground.
OK or NG
OK >> GO TO 4.
NG >> 1. Repair harness between ECM and spiral cable.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
4. CHECK SPIRAL CABLE
Check continuity between spiral cable connector terminals.
OK or NG
OK >> 1. Perform ECM self-diagnosis. 2. After repairing or replacing applicable item, erase DTC and perform ICC system running test. Then per-
form 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.
Spiral cable
connector Terminal ECM connector Terminal Continuity
M15 33
M90 82
Ye s
34 99
PKIB4164E
Spiral cable
connector Terminal
Ground Continuity
M15 33
No
34
PKIB4165E
Spiral cable
connector TerminalSpiral cable
connector Terminal Continuity
M15 33
M203 14
Ye s
34 15
PKIB4166E
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![INFINITI FX35 2006 Service Manual ACS-50
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
DTC 61 PRESS SEN CIRCUITNKS003FB
1. CHECK CONNECTOR BRAKE PRESSURE SENSOR AND ICC UNIT
1. Turn ignition INFINITI FX35 2006 Service Manual ACS-50
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TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
DTC 61 PRESS SEN CIRCUITNKS003FB
1. CHECK CONNECTOR BRAKE PRESSURE SENSOR AND ICC UNIT
1. Turn ignition](/manual-img/42/57019/w960_57019-57.png)
ACS-50
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
DTC 61 PRESS SEN CIRCUITNKS003FB
1. CHECK CONNECTOR BRAKE PRESSURE SENSOR AND ICC UNIT
1. Turn ignition switch OFF.
2. Disconnect brake pressure sensor connector and ICC unit connector, and connect them securely again.
3. Erase DTC and 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 HARNESS BETWEEN BRAKE PRESSURE SENSOR AND ICC UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector and brake pressure sensor con- nector.
3. Check continuity between brake pressure sensor harness con- nector and ICC unit harness connector.
4. Check continuity between ICC unit harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> 1. Repair harness between brake pressure sensor and ICC unit.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
Brake pressure
sensor connector Terminal ICC unit
connector Terminal Continuity
E142 1
M88 24
Ye s
217
38
SKIA6652E
ICC unit connector Terminal
Ground Continuity
M88 8
No
17
24
PKIB1444E
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![INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-51
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3. CHECK POWER SUPPLY CIRCUIT FOR BRAKE PRESSURE SENSOR
1. Conn INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-51
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3. CHECK POWER SUPPLY CIRCUIT FOR BRAKE PRESSURE SENSOR
1. Conn](/manual-img/42/57019/w960_57019-58.png)
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-51
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3. CHECK POWER SUPPLY CIRCUIT FOR BRAKE PRESSURE SENSOR
1. Connect ICC unit connector.
2. Turn ignition switch ON.
3. Check voltage between ICC unit harness connector terminals.
OK or NG
OK >> 1. Replace brake pressure sensor. Refer to BR-13,
"BRAKE MASTER CYLINDER" .
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NG >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
DTC 62 BOOSTER SOL/V CIRCUITNKS003FC
1. CHECK SOLENOID/RELEASE SWITCH AND ICC UNIT CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect brake booster connector and ICC unit connector, and connect them securely again.
3. Erase DTC and 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.
ICC unit connector Terminal
Voltage (Approx.)
(+) ( −)
M88 8 24 5 V
SKIA6653E
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![INFINITI FX35 2006 Service Manual ACS-52
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
2. CHECK HARNESS BETWEEN SOLENOID/RELEASE SWITCH AND ICC UNIT
1. Turn ignition switch OFF.
2. Disconne INFINITI FX35 2006 Service Manual ACS-52
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TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
2. CHECK HARNESS BETWEEN SOLENOID/RELEASE SWITCH AND ICC UNIT
1. Turn ignition switch OFF.
2. Disconne](/manual-img/42/57019/w960_57019-59.png)
ACS-52
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Revision: 2006 December 2006 FX35/FX45
2. CHECK HARNESS BETWEEN SOLENOID/RELEASE SWITCH AND ICC UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector and brake booster connector.
3. Check continuity between ICC unit harness connector (A) and brake booster harness connector (B).
4. Check continuity between ICC unit harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> 1. Repair harness between brake booster and ICC unit.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
3. CHECK BOOSTER SOLENOID
Check booster solenoid. Refer to ACS-73, "
Booster Solenoid" .
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 >> Booster solenoid malfunction 1. Replace brake booster.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
DTC 63 RELEASE SW CIRCUITNKS003FD
1. CHECK SOLENOID/RELEASE SWITCH AND ICC UNIT CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect brake booster connector and ICC unit connector, and connect them securely again.
3. Erase DTC and 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.
AB Continuity
Connector Terminal Connector Terminal
M88 10
E54 4
Ye s
12 6
PKIC5179E
ICC unit
connector Terminal
Ground Continuity
M88 10
No
12
PKIB4148E
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![INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-53
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2. CHECK HARNESS SOLENOID/RELEASE SWITCH AND ICC UNIT
1. Turn INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-53
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2. CHECK HARNESS SOLENOID/RELEASE SWITCH AND ICC UNIT
1. Turn](/manual-img/42/57019/w960_57019-60.png)
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-53
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2. CHECK HARNESS SOLENOID/RELEASE SWITCH AND ICC UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector and brake booster connector.
3. Check continuity between ICC unit harness connector (A) and brake booster harness connector (B).
4. Check continuity between ICC unit harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> 1. Repair harness between brake booster and ICC unit.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
3. CHECK RELEASE SWITCH POWER SUPPLY CIRCUIT
1. Connect ICC unit connector.
2. Turn ignition switch ON.
3. Check voltage between ICC unit harness connector and ground.
OK or NG
OK >> GO TO 4.
NG >> 1. Replace ICC unit.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
AB
Continuity
ICC unit
connector TerminalBrake booster
connector Te r m i n a l
M88 6
E54 1
Ye s
15 3
22 2
ICC unit
connector Terminal
Ground Continuity
M88 6
No
15
22
PKIC5180E
PKIB1446E
ICC unit
connector Terminal
Voltage (Approx.)
(+) ( −)
M88 6 Ground 10 V
SKIA6656E
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![INFINITI FX35 2006 Service Manual ACS-54
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TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
4. CHECK RELEASE SWITCH
1. Turn ignition switch OFF.
2. Check release switch. Refer to ACS-73, "
Re INFINITI FX35 2006 Service Manual ACS-54
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TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
4. CHECK RELEASE SWITCH
1. Turn ignition switch OFF.
2. Check release switch. Refer to ACS-73, "
Re](/manual-img/42/57019/w960_57019-61.png)
ACS-54
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TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
4. CHECK RELEASE SWITCH
1. Turn ignition switch OFF.
2. Check release switch. Refer to ACS-73, "
Release 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 >> Release switch malfunction 1. Replace brake booster.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
DTC 65 PRESSURE CONTROLNKS003FE
1. OPERATION CHECK
Check foot brake pedal operates normally.
OK or NG
OK >> GO TO 2.
NG >> 1. Check brake circuit.
2. After repairing, erase DTC and perform active test (BOOSTER SOL/V3) with CONSULT-II. Then perform self-diagnosis of ICC system again.
2. CHECK BOOSTER SOLENOID
Check booster solenoid. Refer to ACS-73, "
Booster Solenoid" .
OK or NG
OK >> GO TO 3.
NG >> Booster solenoid malfunction
1. Replace brake booster.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
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![INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-55
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3. CHECK HARNESS BETWEEN ICC UNIT AND BRAKE BOOSTER
1. Turn ign INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-55
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1. Turn ign](/manual-img/42/57019/w960_57019-62.png)
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-55
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3. CHECK HARNESS BETWEEN ICC UNIT AND BRAKE BOOSTER
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector and brake booster connector.
3. Check continuity between ICC unit harness connector (A) and brake booster harness connector (B).
4. Check continuity 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. Repair harness between brake booster and ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
DTC 74 LASER BEAM OFF CNTRNKS003FF
1. DIAGNOSTIC CHECK
1. Adjust laser beam aiming. Then erase DTC, and perform ICC system running test.
2. Perform self-diagnosis of ICC system.
3. Check if “DTC 74 LASER BEAM OFF CNTR” is indicated.
Is it indicated?
YES >> 1. Replace ICC sensor, 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
DTC 90 STOP LAMP RLY FIXNKS003FG
1. CHECK CONNECTOR ICC UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector, and connect it securely again.
3. Erase DTC and 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 termi- nals. 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.
AB
Continuity
ICC unit
connector TerminalBrake booster
connector Terminal
M88 10
E54 4
Ye s
12 6
PKIC5179E
ICC unit
connector Terminal
Ground Continuity
M88 10
No
12
PKIB4148E
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![INFINITI FX35 2006 Service Manual ACS-56
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
2. CHECK STOP LAMP SWITCH AND ICC BRAKE SWITCH
With CONSULT-II
With “DATA MONITOR”, check that INFINITI FX35 2006 Service Manual ACS-56
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TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
2. CHECK STOP LAMP SWITCH AND ICC BRAKE SWITCH
With CONSULT-II
With “DATA MONITOR”, check that](/manual-img/42/57019/w960_57019-63.png)
ACS-56
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 December 2006 FX35/FX45
2. CHECK STOP LAMP SWITCH AND ICC BRAKE SWITCH
With CONSULT-II
With “DATA MONITOR”, check that “STOP LAMP SW” and “BRAKE SW” operate normally. Refer to ACS-33,
"DATA MONITOR" .
OK or NG
OK >> GO TO 12.
NG >>
BRAKE SW: GO TO 3.
STOP LAMP SW: GO TO 9.
3. CHECK BRAKE SWITCH INSTALLATION AND ADJUSTMENT
Check brake switch for proper installation, and adjust the switch if necessary. Refer to BR-6, "
BRAKE PEDAL"
.
OK or NG
OK >> GO TO 4.
NG >> After adjustment, erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
4. CHECK ICC BRAKE SWITCH AND STOP LAMP SWITCH
Check ICC brake switch and stop lamp switch. Refer to ACS-74, "
ICC Brake Switch and Stop Lamp Switch" .
OK or NG
OK >> GO TO 5.
NG >> 1. Replace ICC brake switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
5. CHECK ICC BRAKE HOLD RELAY
1. Turn ignition switch OFF.
2. Disconnect ICC brake hold relay.
3. Check ICC brake hold relay. Refer to ACS-74, "
ICC Brake Hold Relay" .
OK or NG
OK >> GO TO 6.
NG >> 1. Replace ICC brake hold relay.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.