Nissan Maxima. Instruction — part 806
LAN-36
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
CAN COMMUNICATION SYSTEM
DTC/CIRCUIT DIAGNOSIS
CAN COMMUNICATION SYSTEM
Component Parts Location
INFOID:0000000009471929
AWMIA1101ZZ
1.
ABS actuator and electric unit (con-
trol unit) E26
2.
TCM F15
3.
ECM E10
4.
IPDM E/R E17
5.
BCM M19
6.
Combination meter M24
7.
Data link connector M22
8.
Steering angle sensor M53
9.
Driver seat control unit B203
10. Air bag diagnosis sensor unit M43
11. A/C auto amp. M37
12. AV control unit
M156: With BOSE audio system -
without navigation system
M163: With BOSE audio system -
with navigation system
M119: With MID audio system
LAN
MALFUNCTION AREA CHART
LAN-37
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MALFUNCTION AREA CHART
Main Line
INFOID:0000000009471930
Branch Line
INFOID:0000000009471931
Short Circuit
INFOID:0000000009471932
Malfunction area
Reference
Main line between driver seat control unit and data link connector
Main line between data link connector and A/C auto amp.
Main line between A/C auto amp. and ABS actuator and electric unit (control unit)
Main line between A/C auto amp. and air bag diagnosis sensor unit
Main line between air bag diagnosis sensor unit and ABS actuator and electric unit
(control unit)
Malfunction area
Reference
ECM branch line circuit
Driver seat control unit branch line circuit
BCM branch line circuit
Data link connector branch line circuit
Combination meter branch line circuit
AV control unit branch line circuit
A/C auto amp. branch line circuit
Steering angle sensor branch line circuit
Air bag diagnosis sensor unit branch line circuit
ABS actuator and electric unit (control unit) branch line circuit
TCM branch line circuit
IPDM E/R branch line circuit
Malfunction area
Reference
CAN communication circuit
LAN-38
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
MAIN LINE BETWEEN ADP AND DLC CIRCUIT
MAIN LINE BETWEEN ADP AND DLC CIRCUIT
Diagnosis Procedure
INFOID:0000000009471933
1.
CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (connector side
and harness side).
-
Harness connector B1
-
Harness connector M6
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the following harness connectors.
-
Harness connectors B208 and B32
-
Harness connectors B1 and M6
2. Check the continuity between the harness connectors.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the harness connectors B32 and B1.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Check the continuity between the harness connector and the data link connector.
Is the inspection result normal?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the driver seat control unit and the data link
connector.
NO
>> Repair the main line between the harness connector M6 and the data link connector.
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B32
9
B1
15J
Existed
10
16J
Existed
Harness connector
Data link connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M6
15J
M22
6
Existed
16J
14
Existed
LAN
MAIN LINE BETWEEN DLC AND HVAC CIRCUIT
LAN-39
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MAIN LINE BETWEEN DLC AND HVAC CIRCUIT
Diagnosis Procedure
INFOID:0000000009471934
1.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect the following harness connectors.
-
ECM
-
A/C auto amp.
4. Check the continuity between the data link connector and the A/C auto amp. harness connector.
Is the inspection result normal?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the data link connector and the A/C auto
amp.
NO
>> Repair the main line between the data link connector and the A/C auto amp.
Data link connector
A/C auto amp. harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M22
6
M37
1
Existed
14
2
Existed
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