Infiniti FX35 / FX45. Instruction - page 10
ACS-34
< SERVICE INFORMATION >
[ICC]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
8.
DTC 55 will be shown.
9.
Turn ignition switch OFF to exit the diagnosis.
10. Perform ICC system running test (drive vehicle with ICC system ON), and make sure that ICC warning
lamp (Orange) does not illuminate.
Self-Diagnostic Erasing Method
1.
Stop the vehicle and turn the ignition switch OFF.
2.
Turn ignition switch ON and start self-diagnosis.
3.
During self-diagnosis mode, press CANCEL switch 5 times, and DISTANCE switch 5 times in this order.
NOTE:
• 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.
NOTE:
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.
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-35
< SERVICE INFORMATION >
[ICC]
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TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Diagnostic Trouble Code (DTC) Chart
INFOID:0000000001328825
×
: Applicable
DTC
No.
CONSULT-III
screen terms
ICC
system
warning
lamp
Fail-safe
Malfunctions detected where...
Refer-
ence
page
Vehicle-
to-
vehicle
distance
control
mode
Conven-
tional
(fixed
speed)
cruise
control
mode
Brake as-
sist (with
preview
function)
11
CONTROL UNIT
×
×
×
×
• ICC unit internal malfunction
ACS-36
20
CAN COMM CIRCUIT
×
×
×
×
• ICC unit detected CAN communi-
cation malfunction.
ACS-36
31
POWER SUPPLY CIR
×
×
×
×
• ICC unit power supply voltage is
excessively low (less than 8 V).
ACS-37
34
POWER SUPPLY CIR2
×
×
×
×
• ICC unit power supply voltage is
excessively high (more than 19 V).
ACS-37
41
VHCL SPEED SE CIRC
×
×
×
×
• Wheel sensor malfunction.
• ABS actuator and electric unit
(control unit) malfunction
• AT vehicle speed sensor malfunc-
tion
• TCM malfunction
ACS-37
43
ABS/TCS/VDC CIRC
×
×
×
×
• VDC/TCS/ABS system malfunc-
tion
ACS-38
45
BRAKE SW/STOP L SW
×
×
×
×
• Brake and stop lamp switch har-
ness is open or shorted.
• Brake and stop lamp switch is ON
or stuck to OFF.
• Brake and stop lamp switch is
stuck to ON.
ACS-38
46
OPERATION SW CIRC
×
×
×
• ICC steering switch harness or spi-
ral cable is open or shorted.
• ICC steering switch malfunction
ACS-40
61
PRESS SEN CIRCUIT
×
×
×
• Brake pressure sensor harness is
open or shorted.
• Brake pressure sensor malfunction
• Brake pressure sensor input circuit
malfunction
ACS-41
62
BOOSTER SOL/V
CIRCUIT
×
×
×
• Solenoid harness is open or short-
ed.
• Solenoid is open.
• Solenoid drive circuit malfunction
ACS-42
63
RELEASE SW CIRCUIT
×
×
×
×
• Release switch harness is open or
shorted.
• Release switch malfunction
• Release switch input circuit mal-
function
ACS-43
65
PRESSURE CONTROL
×
×
×
• Booster malfunction
ACS-45
74
LASER BEAM OFF CNTR
×
×
×
• Laser beam of ICC sensor is off the
aiming point.
ACS-45
90
STOP LAMP RLY FIX
×
×
×
• Normally open terminal of stop
lamp relay is stuck.
ACS-46
ACS-36
< SERVICE INFORMATION >
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
DTC 11 CONTROL UNIT
INFOID:0000000001328826
1.
PERFORM SELF-DIAGNOSIS OF ICC SYSTEM
1.
Perform self-diagnosis of ICC system.
2.
Check if any item other than “DTC 11 CONTROL UNIT” is indicated on self-diagnosis 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
>> 1.
Replace ICC unit.
2.
Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 20 CAN COMM CIRCUIT
INFOID:0000000001328827
1.
PERFORM SELF-DIAGNOSIS OF ICC SYSTEM
1.
Turn ignition switch ON and wait for 2 second or more.
2.
Check self-diagnosis of ICC system.
Is “CAN COMM CIRCUIT” displayed?
YES
>> Refer to
LAN-14, "Trouble Diagnosis Flow Chart"
.
NO
>> Refer to
GI-35, "CONSULT-III/GST Data Link Connector (DLC) Circuit"
.
92
ECM CIRCUIT
×
×
×
×
• ECM malfunction
• Accelerator pedal position sensor
malfunction
• ICC unit malfunction
ACS-50
96
NP RANGE
×
×
×
• Park/neutral position switch har-
ness is open or shorted.
• Park/neutral position switch mal-
function.
• TCM malfunction
ACS-51
97 AT
CIRCUIT
×
×
×
• TCM malfunction
ACS-52
98
GEAR POSITION
×
×
×
• TCM malfunction
• AT turbine revolution sensor mal-
function
• AT vehicle speed sensor malfunc-
tion
ACS-52
102
RADAR STAIN
×
×
×
• ICC sensor body window has con-
tamination.
ACS-53
103
LASER SENSOR FAIL
×
×
×
• ICC sensor internal malfunction
ACS-53
104
LASER AIMING INCMP
×
×
×
• Laser beam aiming of ICC sensor
is not adjusted.
ACS-54
107
LASER COMM FAIL
×
×
×
• CAN data received by ICC sensor
is strange (from ICC unit, combina-
tion meter or ECM).
ACS-54
109
LASER HIGH TEMP
×
×
×
• Temperature around ICC sensor is
excessively high.
ACS-54
DTC
No.
CONSULT-III
screen terms
ICC
system
warning
lamp
Fail-safe
Malfunctions detected where...
Refer-
ence
page
Vehicle-
to-
vehicle
distance
control
mode
Conven-
tional
(fixed
speed)
cruise
control
mode
Brake as-
sist (with
preview
function)
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
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[ICC]
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DTC 31 POWER SUPPLY CIR, DTC 34 POWER SUPPLY CIR 2
INFOID:0000000001328828
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 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 running test. Then perform self-diagnosis of ICC system again.
2.
CHECK POWER SUPPLY CIRCUIT FOR ICC UNIT
1.
Turn ignition switch ON.
2.
Check voltage between ICC unit harness connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> 1.
Repair ICC unit power supply harness.
2.
Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
3.
CHECK GROUND CIRCUIT FOR ICC UNIT
1.
Turn ignition switch OFF.
2.
Disconnect ICC unit connector.
3.
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 ICC unit ground harness.
2.
Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 41 VHCL SPEED SE CIRC
INFOID:0000000001328829
1.
PERFORM SELF-DIAGNOSIS OF ICC SYSTEM
1.
Perform self-diagnosis of ICC system.
2.
Check if “DTC 43 ABS/TCS/VDC CIRC” or “DTC 20 CAN COMM CIRCUIT” other than “DTC 41 VHCL
SPEED SE CIRC” is indicated in self-diagnosis item in the display.
Is any indicated?
YES
>> 1.
Repair or replace applicable item.
ICC unit connector
Terminal
Voltage (Approx.)
(+)
(
−
)
M89
33
Ground
Battery voltage
42
SKIA1173E
ICC unit con-
nector
Terminal
Ground
Continuity
M88
19
Yes
20
M89
46
SKIA6650E