C1F05 ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT INFINITI QX56 2011 Factory Service Manual
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Page 738 of 5598
CCS-3
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CCS
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ICC SENSOR : Diagnosis Procedure .................
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112
C1A24 NP RANGE ...........................................113
DTC Logic ........................................................... ..113
Diagnosis Procedure .............................................113
C1A26 ECD MODE MALFUNCTION ...............115
DTC Logic ........................................................... ..115
Diagnosis Procedure .............................................115
C1A27 ECD POWER SUPPLY CIRCUIT .........116
DTC Logic ........................................................... ..116
Diagnosis Procedure .............................................116
C1A2A ICC SENSOR POWER SUPPLY CIR-
CUIT ..................................................................
117
DTC Logic ........................................................... ..117
Diagnosis Procedure .............................................117
C1A33 CAN TRANSMISSION ERROR ...........118
DTC Logic ........................................................... ..118
Diagnosis Procedure .............................................118
C1A34 COMMAND ERROR .............................119
DTC Logic ........................................................... ..119
Diagnosis Procedure .............................................119
C1A35 ACCELERATOR PEDAL ACTUATOR ..120
DTC Logic ........................................................... ..120
Diagnosis Procedure .............................................120
C1A36 ACCELERATOR PEDAL ACTUATOR
CAN COMM ......................................................
121
DTC Logic ........................................................... ..121
Diagnosis Procedure .............................................121
C1A37 ACCELERATOR PEDAL ACTUATOR
CAN 2 ...............................................................
122
DTC Logic ........................................................... ..122
Diagnosis Procedure .............................................122
C1A38 ACCELERATOR PEDAL ACTUATOR
CAN 1 ...............................................................
123
DTC Logic ........................................................... ..123
Diagnosis Procedure .............................................123
C1A39 STEERING ANGLE SENSOR ..............124
ADAS CONTROL UNIT ......................................... ..124
ADAS CONTROL UNIT : DTC Logic ....................124
ADAS CONTROL UNIT : Diagnosis Procedure ....124
ICC SENSOR ......................................................... ..124
ICC SENSOR : DTC Logic ....................................124
ICC SENSOR : Diagnosis Procedure ...................125
C1A40 SYSTEM SWITCH CIRCUIT ................126
DTC Logic ........................................................... ..126
Diagnosis Procedure .............................................126
Component Inspection (IBA OFF Switch) .............127
C1A50 ADAS CONTROL UNIT .......................128
DTC Logic ............................................................ ..128
Diagnosis Procedure .............................................128
C1F01 ACCELERATOR PEDAL ACTUATOR .129
DTC Logic ............................................................ ..129
Diagnosis Procedure .............................................129
C1F02 ACCELERATOR PEDAL ACTUATOR .130
DTC Logic ............................................................ ..130
Diagnosis Procedure .............................................130
C1F05 ACCELERATOR PEDAL ACTUATOR
POWER SUPPLY CIRCUIT ............................
131
DTC Logic ..............................................................131
Diagnosis Procedure .............................................131
U0104 ADAS CAN 1 .......................................132
DTC Logic ............................................................ ..132
Diagnosis Procedure .............................................132
U0121 VDC CAN 2 ..........................................133
ADAS CONTROL UNIT ......................................... ..133
ADAS CONTROL UNIT : DTC Logic .....................133
ADAS CONTROL UNIT : Diagnosis Procedure ....133
ICC SENSOR ......................................................... ..133
ICC SENSOR : DTC Logic ....................................133
ICC SENSOR : Diagnosis Procedure ....................134
U0126 STRG SEN CAN 1 ...............................135
ADAS CONTROL UNIT ......................................... ..135
ADAS CONTROL UNIT : DTC Logic .....................135
ADAS CONTROL UNIT : Diagnosis Procedure ....135
ICC SENSOR ......................................................... ..135
ICC SENSOR : DTC Logic ....................................135
ICC SENSOR : Diagnosis Procedure ....................136
U0235 ICC SENSOR CAN 1 ...........................137
DTC Logic ............................................................ ..137
Diagnosis Procedure .............................................137
U0401 ECM CAN 1 .........................................138
DTC Logic ..............................................................138
Diagnosis Procedure .............................................138
U0402 TCM CAN 1 ..........................................139
DTC Logic ............................................................ ..139
Diagnosis Procedure .............................................139
U0405 ADAS CAN 2 .......................................140
DTC Logic ............................................................ ..140
Diagnosis Procedure .............................................140
U0415 VDC CAN 1 ..........................................141
ADAS CONTROL UNIT ......................................... ..141
ADAS CONTROL UNIT : DTC Logic .....................141
ADAS CONTROL UNIT : Diagnosis Procedure ....141
ICC SENSOR ......................................................... ..141
Revision: 2010 May2011 QX56
Page 866 of 5598
![INFINITI QX56 2011 Factory Service Manual
CCS
C1F05 ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT
CCS-131
< DTC/CIRCUIT DIAGNOSIS > [ICC]
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C1F05 ACCELERATOR PEDAL ACTU ATOR POWER SUPPLY CIRCUIT
DTC LogicINFOID:](/img/42/57033/w960_57033-865.png "INFINITI QX56 2011 Factory Service Manual
CCS
C1F05 ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT
CCS-131
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
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C1F05 ACCELERATOR PEDAL ACTU ATOR POWER SUPPLY CIRCUIT
DTC LogicINFOID:")
CCS
C1F05 ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT
CCS-131
< DTC/CIRCUIT DIAGNOSIS > [ICC]
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C1F05 ACCELERATOR PEDAL ACTU ATOR POWER SUPPLY CIRCUIT
DTC LogicINFOID:0000000006224378
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the DCA system ON.
3. Perform “All DTC Readi ng” with CONSULT-III.
4. Check if the “C1F05” is detected as the current malfunction on the self-diagnosis results of “ICC/ADAS”.
Is
“C1F05” detected as the current malfunction?
YES >> Refer to CCS-131, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006224379
1.CHECK ADAS CONTROL UNIT SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1F05” in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“U1000” detected?
YES >> Perform the CAN communicati on system inspection. Repair or replace the malfunctioning parts.
Refer to CCS-145, "
ADAS CONTROL UNIT : DTC Logic".
NO >> GO TO 2.
2.CHECK ACCELERATOR PEDAL ACTU ATOR SELF-DIAGNOSIS RESULTS
Check if “C1F05” is detected in “Self Diagnostic Result” of “ACCELE PEDAL ACT”.
Is
“C1F05” detected?
YES >> Refer to DAS-171, "ACCELERATOR PEDAL ACTUATOR : DTC Logic".
NO >> Replace the ADAS control unit. Refer to DAS-63, "
Removal and Installation".
DTC
(On board
display) Trouble diagnosis name DTC detecting condition Possible causes
C1F05 (95) APA PWR SUPLY CIR The battery voltage sent to accelerator pedal
actuator remains less than 7.9 V or more than
19.3 V for 5 seconds Harness, connector, or fuse
Accelerator pedal actuator
Revision: 2010 May2011 QX56
Page 968 of 5598
DAS-3
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DAS
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Diagnosis Procedure ...........................................
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152
C1A21 UNIT HIGH TEMP ................................153
DTC Logic ........................................................... ..153
Diagnosis Procedure .............................................153
C1A24 NP RANGE ...........................................154
DTC Logic ........................................................... ..154
Diagnosis Procedure .............................................154
C1A26 ECD MODE MALFUNCTION ...............156
DTC Logic ........................................................... ..156
Diagnosis Procedure .............................................156
C1A27 ECD POWER SUPPLY CIRCUIT .........157
DTC Logic ........................................................... ..157
Diagnosis Procedure .............................................157
C1A2A ICC SENSOR POWER SUPPLY CIR-
CUIT ..................................................................
158
DTC Logic ........................................................... ..158
Diagnosis Procedure .............................................158
C1A33 CAN TRANSMISSION ERROR ...........159
DTC Logic ........................................................... ..159
Diagnosis Procedure .............................................159
C1A34 COMMAND ERROR .............................160
DTC Logic ........................................................... ..160
Diagnosis Procedure .............................................160
C1A35 ACCELERATOR PEDAL ACTUATOR ..161
DTC Logic ........................................................... ..161
Diagnosis Procedure .............................................161
C1A36 ACCELERATOR PEDAL ACTUATOR
CAN COMM ......................................................
162
DTC Logic ........................................................... ..162
Diagnosis Procedure .............................................162
C1A37 ACCELERATOR PEDAL ACTUATOR
CAN 2 ...............................................................
163
DTC Logic ........................................................... ..163
Diagnosis Procedure .............................................163
C1A38 ACCELERATOR PEDAL ACTUATOR
CAN 1 ...............................................................
164
DTC Logic ........................................................... ..164
Diagnosis Procedure .............................................164
C1A39 STEERING ANGLE SENSOR ..............165
DTC Logic ........................................................... ..165
Diagnosis Procedure .............................................165
C1F01 ACCELERATOR PEDAL ACTUATOR ..166
ADAS CONTROL UNIT ......................................... ..166
ADAS CONTROL UNIT : DTC Logic ....................166
ADAS CONTROL UNIT : Diagnosis Procedure ....166
ACCELERATOR PEDAL ACTUATOR ................. ..166
ACCELERATOR PEDAL ACTUATOR : DTC Log-
ic ............................................................................
166
ACCELERATOR PEDAL ACTUATOR : Diagnosis
Procedure ..............................................................
167
C1F02 ACCELERATOR PEDAL ACTUATOR .168
ADAS CONTROL UNIT ......................................... ..168
ADAS CONTROL UNIT : DTC Logic .....................168
ADAS CONTROL UNIT : Diagnosis Procedure ....168
ACCELERATOR PEDAL ACTUATOR .................. ..168
ACCELERATOR PEDAL ACTUATOR : DTC Log-
ic ............................................................................
168
ACCELERATOR PEDAL ACTUATOR : Diagnosis
Procedure ..............................................................
168
C1F03 ACCELERATOR PEDAL ACTUATOR .170
DTC Logic ............................................................ ..170
Diagnosis Procedure .............................................170
C1F05 ACCELERATOR PEDAL ACTUATOR
POWER SUPPLY CIRCUIT ............................
171
ADAS CONTROL UNIT ......................................... ..171
ADAS CONTROL UNIT : DTC Logic .....................171
ADAS CONTROL UNIT : Diagnosis Procedure ....171
ACCELERATOR PEDAL ACTUATOR .................. ..171
ACCELERATOR PEDAL ACTUATOR : DTC Log-
ic ............................................................................
171
ACCELERATOR PEDAL ACTUATOR : Diagnosis
Procedure ..............................................................
172
C1F06 CAN CIRCUIT2 ....................................173
DTC Logic ..............................................................173
Diagnosis Procedure .............................................173
C1F07 CAN CIRCUIT1 ....................................174
DTC Logic ..............................................................174
Diagnosis Procedure .............................................174
U0121 VDC CAN 2 ..........................................175
DTC Logic ............................................................ ..175
Diagnosis Procedure .............................................175
U0126 STRG SEN CAN 1 ...............................176
DTC Logic ..............................................................176
Diagnosis Procedure .............................................176
U0235 ICC SENSOR CAN 1 ...........................177
DTC Logic ............................................................ ..177
Diagnosis Procedure .............................................177
U0401 ECM CAN 1 .........................................178
DTC Logic ..............................................................178
Diagnosis Procedure .............................................178
U0402 TCM CAN 1 ..........................................179
DTC Logic ............................................................ ..179
Diagnosis Procedure .............................................179
U0415 VDC CAN 1 ..........................................180
Revision: 2010 May2011 QX56
Page 1073 of 5598
![INFINITI QX56 2011 Factory Service Manual
DAS-108
< ECU DIAGNOSIS INFORMATION >[DCA]
ACCELERATOR PEDAL ACTUATOR
DTC Inspection Priority Chart
INFOID:0000000006223519
If multiple DTCs are detected simultaneously, chec k them one by one depend](/img/42/57033/w960_57033-1072.png "INFINITI QX56 2011 Factory Service Manual
DAS-108
< ECU DIAGNOSIS INFORMATION >[DCA]
ACCELERATOR PEDAL ACTUATOR
DTC Inspection Priority Chart
INFOID:0000000006223519
If multiple DTCs are detected simultaneously, chec k them one by one depend")
DAS-108
< ECU DIAGNOSIS INFORMATION >[DCA]
ACCELERATOR PEDAL ACTUATOR
DTC Inspection Priority Chart
INFOID:0000000006223519
If multiple DTCs are detected simultaneously, chec k them one by one depending on the following DTC inspec-
tion priority chart.
DTC IndexINFOID:0000000006223520
NOTE:
The details of time display are as per the following.
- CRNT: A malfunction is detected now
- PAST: A malfunction was detected in the past
IGN counter is displayed in FFD (Freeze Frame Data).
- 0: The malfunctions that are detected now
- 1 - 39: It increases like 0 → 1 → 2 ··· 38 → 39 after returning to the normal condition whenever the ignition
switch OFF → ON. It returns to 0 when a malfunction is detected again in the process.
- If it is over 39, it is fixed to 39 until the self-diagnosis results are erased.
× : Applicable
Te r m i n a l N o .
(Wire color) Description
ConditionVa l u e
(Approx.)
+ – Signal name Input/
Output
1
(B/O)
Ground Battery power supply Input Ignition switch OFF Battery voltage
2
(B) Ground — Ignition switch ON 0 V
3
(W/G) Ignition power supply Input Ignition switch ON Battery voltage
4
(Y) ITS communication-L — — —
5
(L) ITS communication-H — — —
Priority Detected items (DTC)
1 U1000: CAN COMM CIRCUIT
U1010: CONTROL UNIT (CAN)
2 C1F02: APA C/U MALF
3 C1F01: APA MOTOR MALF
C1F03: APA HI TEMP
C1F05: APA PWR SUPLY CIR
C1F06: CAN CIR2
C1F07: CAN CIR1
CONSULT-III display ICC system warnin
g lamp Fail-safe function Reference
C1F01: APA MOTOR MALF ON ×DAS-166
C1F02: APA C/U MALF ON ×DAS-168
C1F03: APA HI TEMP — — DAS-170
C1F05: APA PWR SUPLY CIR ON×DAS-171
C1F06: CAN CIR2 ON ×DAS-173
C1F07: CAN CIR1 ON ×DAS-174
U1000: CAN COMM CIRCUIT ON ×DAS-182
U1010: CONTROL UNIT (CAN) ON ×DAS-184
Revision: 2010 May2011 QX56
Page 1136 of 5598
![INFINITI QX56 2011 Factory Service Manual
DAS
C1F05 ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT
DAS-171
< DTC/CIRCUIT DIAGNOSIS > [DCA]
C
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C1F05 ACCELERATOR PEDAL ACTU ATOR POWER SUPPLY CIRCUIT
ADAS CONTROL UNI](/img/42/57033/w960_57033-1135.png "INFINITI QX56 2011 Factory Service Manual
DAS
C1F05 ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT
DAS-171
< DTC/CIRCUIT DIAGNOSIS > [DCA]
C
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C1F05 ACCELERATOR PEDAL ACTU ATOR POWER SUPPLY CIRCUIT
ADAS CONTROL UNI")
DAS
C1F05 ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT
DAS-171
< DTC/CIRCUIT DIAGNOSIS > [DCA]
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C1F05 ACCELERATOR PEDAL ACTU ATOR POWER SUPPLY CIRCUIT
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006228129
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the DCA system ON.
3. Perform “All DTC Readi ng” with CONSULT-III.
4. Check if the “C1F05” is detected as the current malfunction on the self-diagnosis results of “ICC/ADAS”.
Is
“C1F05” detected as the current malfunction?
YES >> Refer to DAS-171, "ADAS CONTROL UNIT : Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
ADAS CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006228130
1.CHECK ADAS CONTROL UNIT SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1F05” in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“U1000” detected?
YES >> Perform the CAN communicati on system inspection. Repair or replace the malfunctioning parts.
Refer to DAS-182, "
ADAS CONTROL UNIT : DTC Logic".
NO >> GO TO 2.
2.CHECK ACCELERATOR PEDAL ACTU ATOR SELF-DIAGNOSIS RESULTS
Check if “C1F05” is detected in “Self Diagnostic Result” of “ACCELE PEDAL ACT”.
Is
“C1F05” detected?
YES >> Refer to DAS-171, "ACCELERATOR PEDAL ACTUATOR : DTC Logic".
NO >> Replace the ADAS control unit. Refer to DAS-63, "
Removal and Installation".
ACCELERATOR PEDAL ACTUATOR
ACCELERATOR PEDAL ACTUATOR : DTC LogicINFOID:0000000006223596
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the DCA system ON.
3. Perform “All DTC Readi ng” with CONSULT-III.
DTC
(On board display) Trouble diagnosis name DTC detecting condition Possible causes
C1F05 (95) APA PWR SUPLY CIR The battery voltage sent to accelerator pedal
actuator remains less than 7.9 V or more than
19.3 V for 5 seconds Harness, connector, or fuse
Accelerator pedal actuator
DTC Trouble diagnosis name DTC detecting condition Possible causes
C1F05 APA PWR SUPLY CIR The battery voltage sent to accelerator pedal
actuator remains less than 7.9 V or more than
19.3 V for 5 seconds Harness, connector, or fuse
Accelerator pedal actuator
Revision: 2010 May2011 QX56
Page 1137 of 5598
![INFINITI QX56 2011 Factory Service Manual
DAS-172
< DTC/CIRCUIT DIAGNOSIS >[DCA]
C1F05 ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT
4. Check if the “C1F05” is detected as the current
malfunction on the self-diagnosis results of “AC](/img/42/57033/w960_57033-1136.png "INFINITI QX56 2011 Factory Service Manual
DAS-172
< DTC/CIRCUIT DIAGNOSIS >[DCA]
C1F05 ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT
4. Check if the “C1F05” is detected as the current
malfunction on the self-diagnosis results of “AC")
DAS-172
< DTC/CIRCUIT DIAGNOSIS >[DCA]
C1F05 ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT
4. Check if the “C1F05” is detected as the current
malfunction on the self-diagnosis results of “ACCELE
PEDAL ACT”.
Is
“C1F05” detected as the current malfunction?
YES >> Refer to DAS-172, "ACCELERATOR PEDAL ACTUATOR : Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
ACCELERATOR PEDAL ACTUATOR : Diagnosis ProcedureINFOID:0000000006223597
1.CHECK POWER SUPPLY CIRCUIT
Check the accelerator pedal actuator power supply circuit. Refer to DAS-195, "
ACCELERATOR PEDAL
ACTUATOR : Diagnosis Procedure".
Is the inspection result normal?
YES >> Replace the accelerator pedal assembly. Refer to DAS-213, "Exploded View".
NO >> Repair or replace the malfunctioning parts.
Revision: 2010 May2011 QX56