Nissan Titan A60. Instruction — part 273
P1813 4WD SHIFT SWITCH
DLN-31
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 2.
2.
CHECK 4WD SHIFT SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Disconnect 4WD shift switch harness connector.
3. Check voltage between 4WD shift switch harness connector ter-
minal 1 and ground.
4. Turn ignition switch ON. (Do not start engine.)
5. Check voltage between 4WD shift switch harness connector ter-
minal 1 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> 1. Check harness for short or open between 4WD shift
switch harness connector terminal 1 and transfer
shut off relay 2 harness connector E47 terminal 3
and 10A fuse (No. 26 located in the fuse and fusible link box). If any items are damaged,
repair or replace damaged parts.
2. Perform trouble diagnosis for power supply circuit. Refer to
3.
CHECK HARNESS BETWEEN 4WD SHIFT SWITCH AND TRANSFER CONTROL UNIT
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Disconnect transfer control unit harness connector and the 4WD shift switch harness connector.
Connector
Terminal
Condition
Voltage (Ap-
prox.)
E142
14 - Ground
4WD shift switch: 2WD
Battery voltage
4WD shift switch: 4H and 4LO
0V
15 - Ground
4WD shift switch: 4H
Battery voltage
4WD shift switch: 2WD and 4LO
0V
16 - Ground
4WD shift switch: 4LO
Battery voltage
4WD shift switch: 2WD and 4H
0V
Connector
Terminal
Voltage (Approx.)
M141
1 - Ground
0V
SDIA2383E
Connector
Terminal
Voltage (Approx.)
M141
1 - Ground
Battery voltage
PDIA0210E
DLN-32
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TX15B]
P1813 4WD SHIFT SWITCH
3. Check continuity between the following terminals.
-
Transfer control unit harness connector E142 terminal 14 and
4WD shift switch harness connector M141 terminal 3.
-
Transfer control unit harness connector E142 terminal 15 and
4WD shift switch harness connector M141 terminal 5.
-
Transfer control unit harness connector E142 terminal 16 and
4WD shift switch harness connector M141 terminal 6.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace damaged parts.
4.
CHECK 4WD SHIFT SWITCH
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Remove 4WD shift switch harness connector.
3. Operate 4WD shift switch and check continuity between 4WD
shift switch terminals.
OK or NG
OK
>> GO TO 5.
NG
>> Replace 4WD shift switch.
5.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
OK or NG
OK
>> GO TO 6.
NG
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
6.
CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK
>> Inspection End.
NG
>> Replace transfer control unit. Refer to
DLN-93, "Removal and Installation"
.
Diagnosis Procedure (With 2 Control Dial System or Auto A/C)
INFOID:0000000006179452
Regarding Wiring Diagram information, refer to
.
1.
CHECK 4WD SHIFT SWITCH SIGNAL
With CONSULT-III
1. Turn ignition switch ON.
2. Select DATA MONITOR mode for ALL MODE AWD/4WD with CONSULT-III.
Continuity should exist.
PDIA0211E
Terminal
Condition
Continuity
1 - 3
4WD shift switch: 2WD
Yes
4WD shift switch: 4H and 4LO
No
1 - 5
4WD shift switch: 4H
Yes
4WD shift switch: 2WD and 4LO
No
1 - 6
4WD shift switch: 4LO
Yes
4WD shift switch: 2WD and 4H
No
PDIA0212E
P1813 4WD SHIFT SWITCH
DLN-33
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
3. Read out ON/OFF switching action of the 2WD SWITCH, 4H SWITCH, 4L SWITCH with operating 4WD
shift switch.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check voltage between transfer control unit harness connector
terminals and ground.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 2.
2.
CHECK 4WD SHIFT SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Disconnect 4WD shift switch harness connector.
3. Check voltage between 4WD shift switch harness connector ter-
minal 1 and ground.
4. Turn ignition switch ON. (Do not start engine.)
5. Check voltage between 4WD shift switch harness connector ter-
minal 1 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> 1. Check harness for short or open between 4WD shift
switch harness connector terminal 1 and transfer
shut off relay 2 harness connector E47 terminal 3
and 10A fuse (No. 26 located in the fuse and fusible link box). If any items are damaged,
repair or replace damaged parts.
2. Perform trouble diagnosis for power supply circuit. Refer to
3.
CHECK HARNESS BETWEEN 4WD SHIFT SWITCH AND TRANSFER CONTROL UNIT
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Disconnect transfer control unit harness connector and the 4WD shift switch harness connector.
Connector
Terminal
Condition
Voltage (Ap-
prox.)
E142
14 - Ground
4WD shift switch: 2WD
Battery voltage
4WD shift switch: 4H and 4LO
0V
15 - Ground
4WD shift switch: 4H
Battery voltage
4WD shift switch: 2WD and 4LO
0V
16 - Ground
4WD shift switch: 4LO
Battery voltage
4WD shift switch: 2WD and 4H
0V
SDIA3365E
Connector
Terminal
Voltage (Approx.)
M140
1 - Ground
0V
AWDIA0432ZZ
Connector
Terminal
Voltage (Approx.)
M140
1 - Ground
Battery voltage
AWDIA0433ZZ
DLN-34
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TX15B]
P1813 4WD SHIFT SWITCH
3. Check continuity between the following terminals.
-
Transfer control unit harness connector E142 (B) terminal 14
and 4WD shift switch harness connector M140 (A) terminal 3.
-
Transfer control unit harness connector E142 (B) terminal 15
and 4WD shift switch harness connector M140 (A) terminal 5.
-
Transfer control unit harness connector E142 (B) terminal 16
and 4WD shift switch harness connector M140 (A) terminal 6.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace damaged parts.
4.
CHECK 4WD SHIFT SWITCH
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Remove 4WD shift switch.
3. Operate 4WD shift switch and check continuity between 4WD
shift switch terminals.
OK or NG
OK
>> GO TO 5.
NG
>> Replace 4WD shift switch.
5.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
OK or NG
OK
>> GO TO 6.
NG
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
6.
CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK
>> Inspection End.
NG
>> Replace transfer control unit. Refer to
DLN-93, "Removal and Installation"
.
Component Inspection (With 3 Control Dial System Without Auto A/C)
INFOID:0000000006179453
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Remove 4WD shift switch harness connector.
Continuity should exist.
AWDIA0434ZZ
Terminal
Condition
Continuity
1 - 3
4WD shift switch: 2WD
Yes
4WD shift switch: 4H and 4LO
No
1 - 5
4WD shift switch: 4H
Yes
4WD shift switch: 2WD and 4LO
No
1 - 6
4WD shift switch: 4LO
Yes
4WD shift switch: 2WD and 4H
No
AWDIA0435ZZ
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