2011 INFINITI QX56 Factory Service Manual

hood release climate control fuel cap automatic transmission fluid seat adjustment audio

Page 1121 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS-156
< DTC/CIRCUIT DIAGNOSIS >[DCA]
C1A26 ECD MODE MALFUNCTION
C1A26 ECD MODE MALFUNCTION
DTC LogicINFOID:0000000006228094
DTC DETECTION LOGIC
NOTE:
If DTC “C1A26” is detected along with DTC �

Page 1122 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS
C1A27 ECD POWER SUPPLY CIRCUITDAS-157
< DTC/CIRCUIT DIAGNOSIS > [DCA]
C
D
E
F
G H
I
J
K L
M B
N P A
C1A27 ECD POWER SUPPLY CIRCUIT
DTC LogicINFOID:0000000006228096
DTC DETECTION LOGIC
NOTE:
If DT

DAS
C1A27 ECD POWER SUPPLY CIRCUITDAS-157
< DTC/CIRCUIT DIAGNOSIS > [DCA]
C
D
E
F
G H
I
J
K L
M B
N P A
C1A27 ECD POWER SUPPLY CIRCUIT
DTC LogicINFOID:0000000006228096
DTC DETECTION LOGIC
NOTE:
If DTC “C1A27” is detected along with DTC “U1000” , “U0415” or “U0121” first diagnose the DTC “U1000”,
“U0415” or “U0121”.
DTC “U1000”: Refer to DAS-182, "
ADAS CONTROL UNIT : DTC Logic".
DTC “U0415”: Refer to DAS-180, "
DTC Logic".
DTC “U0121”: Refer to DAS-175, "
DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Wait for approximately 1 minute af ter turning the DCA system ON.
3. Perform “All DTC Readi ng” with CONSULT-III.
4. Check if the “C1A27” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1A27” detected as the current malfunction?
YES >> Refer to DAS-157, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006228097
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000”, “U0415” or “U0121” is detected other than “C1A27” in “Self Diagnostic Result” of “ICC/
ADAS”.
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
DAS-100, "
DTC Index".
NO >> GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT OF ABS ACTU ATOR AND ELECTRIC UNIT (CONTROL UNIT)
Check power supply circuit of ABS actuator and electric unit (control unit). Refer to BRC-113, "
Diagnosis Pro-
cedure".
Is the inspection result normal?
YES >> Perform self-diagnosis of ABS actuator and electric unit (control unit). Refer to BRC-51, "DTC
Index".
NO >> Repair the harnesses or connectors.
DTC
(On board display) Trouble diagnosis name DTC detecting condition Possible cause
C1A27 (27) ECD PWR SUPLY CIR ECD system power supply voltage is excessively
low ABS actuator and el
ectric unit (con-
trol unit) power supply circuit
ABS actuator and el ectric unit (con-
trol unit)
Revision: 2010 May2011 QX56

Page 1123 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS-158
< DTC/CIRCUIT DIAGNOSIS >[DCA]
C1A2A ICC SENSOR POWER SUPPLY CIRCUIT
C1A2A ICC SENSOR POWER SUPPLY CIRCUIT
DTC LogicINFOID:0000000006228098
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PE

Page 1124 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS
C1A33 CAN TRANSMISSION ERRORDAS-159
< DTC/CIRCUIT DIAGNOSIS > [DCA]
C
D
E
F
G H
I
J
K L
M B
N P A
C1A33 CAN TRANSMISSION ERROR
DTC LogicINFOID:0000000006228100
DTC DETECTION LOGIC
NOTE:
If DTC �

Page 1125 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS-160
< DTC/CIRCUIT DIAGNOSIS >[DCA]
C1A34 COMMAND ERROR
C1A34 COMMAND ERROR
DTC LogicINFOID:0000000006228102
DTC DETECTION LOGIC
NOTE:
If DTC “C1A34” is detected along with DTC “U
1000”, f

Page 1126 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS
C1A35 ACCELERATOR PEDAL ACTUATORDAS-161
< DTC/CIRCUIT DIAGNOSIS > [DCA]
C
D
E
F
G H
I
J
K L
M B
N P A
C1A35 ACCELERATOR PEDAL ACTUATOR
DTC LogicINFOID:0000000006228104
DTC DETECTION LOGIC
NOTE:
I

Page 1127 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS-162
< DTC/CIRCUIT DIAGNOSIS >[DCA]
C1A36 ACCELERATOR PEDAL ACTUATOR CAN COMM
C1A36 ACCELERATOR PEDAL ACTUATOR CAN COMM
DTC LogicINFOID:0000000006228106
DTC DETECTION LOGIC
NOTE:
If DTC “C1A36�

Page 1128 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS
C1A37 ACCELERATOR PEDAL ACTUATOR CAN 2DAS-163
< DTC/CIRCUIT DIAGNOSIS > [DCA]
C
D
E
F
G H
I
J
K L
M B
N P A
C1A37 ACCELERATOR PEDAL ACTUATOR CAN 2
DTC LogicINFOID:0000000006228113
DTC DETECTION L

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