Infiniti G35 (V35) Sedan. Manual — part 288
CCS
C1A21 UNIT HIGH TEMP
CCS-63
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
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C1A21 UNIT HIGH TEMP
Description
INFOID:0000000000965437
ICC sensor integrated unit integrates a temperature sensor.
DTC Logic
INFOID:0000000000965438
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000000965439
1.
CHECK SYMPTOM
Check if engine cooling system malfunctions.
Does it malfunction?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
REPAIR ENGINE COOLING SYSTEM
Repair engine cooling system.
>> GO TO 4.
3.
REPLACE ICC SENSOR INTEGRATED UNIT
1.
Replace ICC sensor integrated unit.
2.
Adjust laser beam aiming. Refer to
CCS-7, "LASER BEAM AIMING ADJUSTMENT : Special Repair
.
>> GO TO 4.
4.
CHECK ICC SYSTEM
1.
Erase DTC and perform ICC system action test. Then perform self-diagnosis of ICC sensor integrated
unit. (For the details on the ICC system action test, refer to
CCS-11, "ACTION TEST : Special Repair
Requirement (Vehicle-To-Vehicle Distance Control Mode)"
).
2.
Check that no abnormal condition is present in the ICC system.
>> INSPECTION END
DTC No.
(On board
display)
Trouble diagnosis
name
DTC detecting condition
Possible cause
C1A21
(21)
UNIT HIGH TEMP
If temperature sensor (built in ICC sensor inte-
grated unit) detects a high temperature.
Temperature around ICC sensor integrated
unit is excessively high
CCS-64
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
C1A24 NP RANGE
C1A24 NP RANGE
Description
INFOID:0000000000965440
Park/neutral position switch signal is transmitted by TCM to ICC sensor integrated unit with CAN communica-
tion (A/T).
NOTE:
If DTC C1A24 is detected along with DTC U1000 or U0402, first diagnose the DTC U1000 or U0402.
• DTC U1000: Refer to
• DTC U0402: Refer to
.
DTC Logic
INFOID:0000000000965441
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000000965442
1.
PERFORM SELF-DIAGNOSIS OF ICC SENSOR INTEGRATED UNIT
1.
Perform self-diagnosis of ICC sensor integrated unit.
2.
Check if DTC “CAN COMM CIRCUIT [U1000]” (DTC100) or “TCM CAN CIR 1 [U0402]” (DTC 122) other
than “NP RANGE [C1A24]” (DTC 24) is detected.
Is any DTC detected?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
DIAGNOSIS FOR DETECTED DTC
Perform diagnosis on the detected and repair or replace the applicable item. Refer to
.
>> GO TO 6.
3.
CHECK DATA MONITOR OF TCM
With CONSULT-III
With “DATA MONITOR” of “A/T”, check if “SLCT LVR POSI” are operates normally.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
PERFORM SELF-DIAGNOSIS OF TCM
1.
Perform self-diagnosis of TCM.
2.
Replace or replace applicable item. Refer o
.
>> GO TO 6.
5.
REPLACE ICC SENSOR INTEGRATED UNIT
1.
Replace ICC sensor integrated unit.
2.
Adjust laser beam aiming. Refer to
CCS-7, "LASER BEAM AIMING ADJUSTMENT : Special Repair
.
>> GO TO 6.
DTC No.
(On board
display)
Trouble diagnosis name
DTC detecting condition
Possible cause
C1A24
(24)
NP RANGE
If park/neutral position switch signal and current
gear position signal, transmitted by TCM with
CAN communication, are inconsistent.
• Park/neutral position switch signal
• Current gear position signal
• TCM
CCS
C1A24 NP RANGE
CCS-65
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
C
D
E
F
G
H
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J
K
L
M
B
N
P
A
6.
CHECK ICC SYSTEM
1.
Erase DTC and perform ICC system action test. Then perform self-diagnosis of ICC sensor integrated
unit. (For the details on the ICC system action test, refer to
CCS-11, "ACTION TEST : Special Repair
Requirement (Vehicle-To-Vehicle Distance Control Mode)"
).
2.
Check that no abnormal condition is present in the ICC system.
>> INSPECTION END
CCS-66
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
C1A26 ECD MODE MALFUNCTION
C1A26 ECD MODE MALFUNCTION
Description
INFOID:0000000000965443
ECD (ELECTRONICALLY CONTROLLED DECELERATION)
• Receives deceleration degree commandment value signal from ICC sensor integrated unit, and controls
brake fluid pressure with the motor [built in ABS actuator and electric unit (control unit)].
• ECD control-related signals are transmitted by ABS actuator and electric unit (control unit) to ICC sensor
integrated unit with CAN communication.
NOTE:
If DTC C1A26 is detected along with DTC U1000, U0415 or U0121 first diagnose the DTC U1000, U0415 or
U0121.
• DTC U1000: Refer to
• DTC U0415: Refer to
.
• DTC U0121: Refer to
.
DTC Logic
INFOID:0000000000965444
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000000965445
1.
PERFORM SELF-DIAGNOSIS OF ICC SENSOR INTEGRATED UNIT
1.
Perform self-diagnosis of ICC sensor integrated unit.
2.
Check if DTC “CAN COMM CIRCUIT [U1000]” (DTC 100) or “VDC CAN CIR 1 [U0415]” (DTC 126), “VDC
CAN CIR 2 [U0121]” (DTC 127) other than “ECD MODE MALF [C1A26]” (DTC 26) is detected.
Is any DTC detected?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
DIAGNOSIS FOR DETECTED DTC
Perform diagnosis on the detected DTC and repair or replace the applicable item. Refer to
.
>> GO TO 6.
3.
PERFORM SELF-DIAGNOSIS OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
1.
Perform self-diagnosis of ABS actuator and electric unit (control unit).
2.
Check if DTC is detected. Refer to
.
Is any DTC detected?
YES
>> GO TO 4.
NO
>> GO TO 5.
4.
REPAIR OR REPLACE APPLICABLE ITEM
Repair or replace the applicable item identified by the self-diagnosis result.
>> GO TO 6.
5.
REPLACE ICC SESNOR INTEGRATED UNIT
1.
Replace ICC sensor integrated unit.
DTC No.
(On board
display)
Trouble diagnosis name
DTC detecting condition
Possible cause
C1A26
(26)
ECD MODE MALF
If an abnormal condition occurs with ECD system.
ABS actuator and electric unit (control
unit)
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