Infiniti QX56 (Z62). Manual — part 361
DAS
C1B52 BSW/BSI INDICATOR OPEN CIRCUIT
DAS-481
< DTC/CIRCUIT DIAGNOSIS >
[BSW]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
Is the inspection result normal?
YES
>> Replace BSW indicator.
NO
>> Replace side radar. Refer to
DAS-523, "Removal and Installation"
.
BSW indicator
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
D73 (LH)
1
Ignition switch
OFF
⇒
ON
(Approx. 2 sec.)
6 V
D74 (RH)
DAS-482
< DTC/CIRCUIT DIAGNOSIS >
[BSW]
C1B53 SIDE RADAR RIGHT MALFUNCTION
C1B53 SIDE RADAR RIGHT MALFUNCTION
DTC Logic
INFOID:0000000006223899
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start the engine.
2.
Turn the BSW system ON.
3.
Perform “All DTC Reading” with CONSULT-III.
4.
Check if the “C1B53” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is “C1B53” detected as the current malfunction?
YES
>> Refer to
DAS-482, "Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006223900
1.
CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1B53” in “Self Diagnostic Result” of “ICC/ADAS”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
DAS-486, "ADAS CONTROL UNIT : DTC Logic"
.
NO
>> GO TO 2.
2.
CHECK SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Self Diagnostic Result” of “SIDE RADAR RIGHT”.
Is any DTC detected?
YES
>> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
NO
>> Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
DTC
(On board
display)
Trouble diagnosis name
DTC detecting condition
Possible cause
C1B53
(84)
SIDE RDR R MALF
ADAS control unit detects that side radar RH has
a malfunction.
Side radar RH
DAS
C1B54 SIDE RADAR LEFT MALFUNCTION
DAS-483
< DTC/CIRCUIT DIAGNOSIS >
[BSW]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
C1B54 SIDE RADAR LEFT MALFUNCTION
DTC Logic
INFOID:0000000006223901
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start the engine.
2.
Turn the BSW system ON.
3.
Perform “All DTC Reading” with CONSULT-III.
4.
Check if the “C1B54” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is “C1B54” detected as the current malfunction?
YES
>> Refer to
DAS-483, "Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006223902
1.
CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1B54” in “Self Diagnostic Result” of “ICC/ADAS”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
DAS-486, "ADAS CONTROL UNIT : DTC Logic"
.
NO
>> GO TO 2.
2.
CHECK SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Self Diagnostic Result” of “SIDE RADAR LEFT”.
Is any DTC detected?
YES
>> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
NO
>> Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
DTC
(On board
display)
Trouble diagnosis name
DTC detecting condition
Possible cause
C1B54
(85)
SIDE RDR L MALF
ADAS control unit detects that side radar LH has
a malfunction.
Side radar LH
DAS-484
< DTC/CIRCUIT DIAGNOSIS >
[BSW]
C1B55 RADAR BLOCKAGE
C1B55 RADAR BLOCKAGE
DTC Logic
INFOID:0000000006223903
DTC DETECTION LOGIC
NOTE:
DTC “C1B55” may be detected under the following conditions except for possible cause. (Explain to the customer about the difference
between the contamination detection function and the indication when the malfunction is detected and tell them “This is not malfunc-
tion”.)
• The side radar may be blocked by temporary ambient conditions such as splashing water, mist or fog.
• The blocked condition may also be caused by objects such as ice, frost or dirt obstructing the side radar.
• Due to the nature of radar technology it is possible to get a blockage warning and not actually be blocked. This is rare and is known as
a false blockage warning. A false blocked condition either self-clears or clears after an ignition cycle.
Diagnosis Procedure
INFOID:0000000006223904
1.
CHECK THE REAR BUMPER
Check rear bumper near the side radar contaminated with foreign materials.
>> GO TO 2.
2.
CHECK THE SIDE RADAR
Check side radar and the side radar outskirts contaminated with foreign materials.
>> GO TO 3.
3.
CHECK THE SIDE RADAR INSTALL CONDITION
Check side radar installation condition (installation position, properly tightened, a bent bracket).
>> GO TO 4.
4.
INTERVIEW
1.
Ask if there is stain or foreign materials.
2.
Ask if there is any temporary ambient condition such as splashing water, mist or fog.
3.
Ask if there is any object such as ice, frost or dirt obstructing the side radar.
Is any of above conditions seen?
YES
>> Explain to the customer about the difference between the blockage detection function and the
indication when the malfunction is detected and tell them “This is not malfunction”.
NO
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
C1B55
RADAR BLOCKAGE
Side radar is blocked.
Stain or foreign materials is deposit-
ed.
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