Nissan Quest E52. Instruction — part 1095
SEC-70
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2198 NATS ANTENNA AMP.
Is the inspection result normal?
YES
>> Replace NATS antenna amp. Refer to
SEC-128, "Removal and Installation"
.
NO
>> GO TO 8.
8.
CHECK NATS ANTENNA AMP. OUTPUT SIGNAL CIRCUIT 2
1.
Disconnect BCM connector.
2.
Check continuity between NATS antenna amp. harness connector and BCM connector.
3.
Check continuity between NATS antenna amp. harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Repair or replace harness.
9.
REPLACE BCM
1.
Replace BCM. Refer to
BCS-98, "Removal and Installation"
.
2.
Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
>> INSPECTION END
(+)
(–)
Condition
Voltage (V)
NATS antenna amp.
Connector
Terminal
M26
3
Ground
Intelligent Key: Intelligent
Key battery is removed
Brake pedal: Depressed
NOTE:
Waveform varies each time
when brake pedal is depressed
Brake pedal: Released
9 - 16
JMKIA6233JP
NATS antenna amp.
BCM
Continuity
Connector
Terminal
Connector
Terminal
M26
3
M121
25
Existed
NATS antenna amp.
Ground
Continuity
Connector
Terminal
M26
3
Not existed
B2555 STOP LAMP
SEC-71
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2555 STOP LAMP
DTC Logic
INFOID:0000000009650729
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Depress brake pedal and wait 1 second or more.
2.
Turn ignition switch ON.
3.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009650730
1.
CHECK STOP LAMP SWITCH INPUT SIGNAL 1
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check voltage between BCM harness connector and ground.
Is the inspection normal?
YES
>> GO TO 2.
NO-1
>> Check 10 A fuse [No. 7, located in the fuse block (J/B)].
NO-2
>> Check harness for open or short between BCM and fuse.
2.
CHECK STOP LAMP SWITCH INPUT SIGNAL 2
Check voltage between BCM harness connector and ground.
Is the inspecting result normal?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
REPLACE BCM
1.
Replace BCM. Refer to
BCS-98, "Removal and Installation"
.
2.
Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2555
STOP LAMP
BCM makes a comparison between the
upper voltage and lower voltage of stop
lamp switch. It judges from their values to
detect the malfunctioning circuit.
• Harness or connectors
(Stop lamp switch circuit is open or
shorted.)
• Stop lamp switch
• Stop lamp relay
• Fuse
• BCM
(+)
(–)
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M124
105
Ground
9 - 16
(+)
(–)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M121
9
Ground
Brake pedal
Depressed
9 - 16
Not depressed
0
SEC-72
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2555 STOP LAMP
>> INSPECTION END
4.
CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1.
Disconnect stop lamp switch connector.
2.
Check voltage between stop lamp switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Check harness for open or short between stop lamp switch and fuse.
5.
CHECK STOP LAMP RELAY POWER SUPPLY CIRCUIT
1.
Disconnect stop lamp relay.
2.
Check voltage between stop lamp relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Check harness for open or short between stop lamp relay and fuse.
6.
CHECK STOP LAMP SWITCH CIRCUIT
1.
Check continuity between stop lamp switch harness connector and stop lamp relay harness connector.
2.
Check continuity between stop lamp relay harness connector and ground.
3.
Check continuity between stop lamp relay harness connector and BCM harness connector.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace harness.
7.
CHECK STOP LAMP SWITCH
SEC-73, "Component Inspection (Stop Lamp Switch)"
.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace stop lamp switch. Refer to
BR-18, "Removal and Installation"
.
(+)
(–)
Voltage (V)
(Approx.)
Stop lamp switch
Connector
Terminal
E115
1
Ground
Battery voltage
(+)
(–)
Voltage (V)
(Approx.)
Stop lamp relay
Connector
Terminal
E15
5
Ground
Battery voltage
Stop lamp switch
Stop lamp relay
Continuity
Connector
Terminal
Connector
Terminal
E115
2
E15
2
Existed
Stop lamp relay
Ground
Continuity
Connector
Terminal
E15
1
Existed
Stop lamp relay
BCM
Continuity
Connector
Terminal
Connector
Terminal
E15
3
M121
9
Existed
B2555 STOP LAMP
SEC-73
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
8.
CHECK STOP LAMP RELAY
SEC-73, "Component Inspection (Stop Lamp Relay)"
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Replace stop lamp relay.
9.
CHECK INTERMITTENT INCIDENT
GI-42, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection (Stop Lamp Switch)
INFOID:0000000009650731
1.
CHECK STOP LAMP SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect stop lamp switch connector.
3.
Check continuity between stop lamp switch terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace stop lamp switch. Refer to
BR-18, "Removal and Installation"
.
Component Inspection (Stop Lamp Relay)
INFOID:0000000009650732
1.
CHECK STOP LAMP RELAY
1.
Turn ignition switch OFF.
2.
Disconnect stop lamp relay.
3.
Check continuity between stop lamp relay terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace stop lamp relay.
Stop lamp switch
Condition
Continuity
Terminal
1
2
Brake pedal
Not depressed
Not existed
Depressed
Existed
Stop lamp relay
Condition
Continuity
Terminal
3
5
12 V direct current supply between terminals 1 and 2
Existed
No current supply
Not existed
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