2010 INFINITI QX56 Factory Service Manual

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Page 721 of 4210

INFINITI QX56 2010 Factory Service Manual CCS-52
< ECU DIAGNOSIS >
ICC UNIT
ABOIA0008GB
Revision: April 20092010 QX56

Page 722 of 4210

INFINITI QX56 2010 Factory Service Manual CCS
ICC UNITCCS-53
< ECU DIAGNOSIS >
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ABOIA0009GB
Revision: April 20092010 QX56

Page 723 of 4210

INFINITI QX56 2010 Factory Service Manual CCS-54
< ECU DIAGNOSIS >
ICC UNIT
ABOIA0010GB
Revision: April 20092010 QX56

Page 724 of 4210

INFINITI QX56 2010 Factory Service Manual CCS
ICC UNITCCS-55
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Fail SafeINFOID:0000000005146006
When a malfunction occurs in ICC system, a chime sounds a beep, the system is released and ICC system

Page 725 of 4210

INFINITI QX56 2010 Factory Service Manual CCS-56
< ECU DIAGNOSIS >
ICC UNIT
Diagnostic Trouble Code (DTC) Chart
INFOID:0000000005146007
× :Applicable
DTC
No. CONSULT-III screen terms ICC sys-
tem
warning lamp Fail-safe
Malfunctions detect

CCS-56
< ECU DIAGNOSIS >
ICC UNIT
Diagnostic Trouble Code (DTC) Chart
INFOID:0000000005146007
× :Applicable
DTC
No. CONSULT-III screen terms ICC sys-
tem
warning lamp Fail-safe
Malfunctions detected where... Refer-
ence
page
Vehicle-
to-vehi-cle dis-
tance
control mode Conven-
tional
(fixed
speed) cruise
control mode Brake as-
sist (with
preview
function)
11 CONTROL UNIT ×××× • ICC unit internal malfunctionCCS-22
12 VDC CONTROL UNIT ×××× • VDC malfunction
• Brake booster signal harness is
open or shorted CCS-23
20 CAN COMM CIRCUIT
×××× • ICC unit detected
CAN communi-
cation malfunction CCS-24
31 POWER SUPPLY CIR1
×××× • ICC unit power supply voltage is
excessively low (less than 8V) CCS-25
34 POWER SUPPLY CIR2
×××× • ICC unit power supply voltage is
excessively high. CCS-25
41 VHCL SPEED SE CIRC
×××× • Wheel sensor malfunction
• ABS actuator and electric unit
(control unit) malfunction
• A/T vehicle speed sensor mal-
function
•TCM malfunction CCS-26
43 VDC/TCS/ABS CIRC
×××× • VDC/TCS/ABS system malfunc-
tion CCS-27
45 BRAKE SW/ STOP L SW
×××× • ICC brake switch or stop lamp
switch harness is open or shorted
• ICC brake switch or stop lamp switch is stuck to OFF
• ICC brake switch or stop lamp switch is stuck to ON CCS-28
46 OPERATION SW CIRC
××× • ICC steering switch harness or
spiral cable is open or shorted
• ICC steering switch malfunction CCS-30
74 LASER BEAM OFF CNTR
×××• Laser beam of ICC sensor is off
the aiming point CCS-32
90 STOP LAMP RLY FIX
×××• Normally open terminal of stop
lamp relay is stuck CCS-33
92 ECM CIRCUIT
×××× •ECM malfunction
• Accelerator pedal position sensor
malfunction
• ICC unit malfunction CCS-38
96 NP RANGE
××× • Transmission range switch har-
ness is open or shorted
• Transmission range switch mal- function
•TCM malfunction CCS-39
97 AT CIRCUIT
××× •TCM malfunctionCCS-40
98 GEAR POSITION ××× •TCM malfunction
• A/T input speed sensor malfunc-
tion
• A/T vehicle speed sensor mal- function CCS-41
Revision: April 20092010 QX56

Page 726 of 4210

INFINITI QX56 2010 Factory Service Manual CCS
ICC UNITCCS-57
< ECU DIAGNOSIS >
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NOTE: DTC 55 will display when no malfunction is detected. 102 LASER STAIN
×××• ICC sensor body window has
contamination CCS-42

Page 727 of 4210

INFINITI QX56 2010 Factory Service Manual CCS-58
< SYMPTOM DIAGNOSIS >
INTELLIGENT CRUISE CONTROL SYSTEM SYMPTOMS
SYMPTOM DIAGNOSIS
INTELLIGENT CRUISE CONTROL SYSTEM SYMPTOMS
Symptom ChartINFOID:0000000005146008
Symptoms Reference page
Operat

Page 728 of 4210

INFINITI QX56 2010 Factory Service Manual CCS
MAIN SWITCH DOES NOT TURN ON, MAIN SWITCH DOES NOT TURN OFF
CCS-59
< SYMPTOM DIAGNOSIS >
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MAIN SWITCH DOES NOT TURN ON, MAIN SWITCH DOES NOT TURN
OFF
Diagnosis Procedu

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