Nissan Titan A60. Instruction — part 274
P1813 4WD SHIFT SWITCH
DLN-35
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
3. Operate 4WD shift switch and check continuity between 4WD
shift switch terminals.
4. If the inspection results are abnormal replace the 4WD shift switch.
Component Inspection (With 2 Control Dial System or Auto A/C)
INFOID:0000000006179454
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.
4. If the inspection results are abnormal replace the 4WD shift switch.
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
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
DLN-36
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TX15B]
P1814 WAIT DETECTION SWITCH
P1814 WAIT DETECTION SWITCH
Description
INFOID:0000000006179455
The wait detection switch detects if the transfer case is in 4WD. DTC P1814 or flash code 10 will set if an
improper signal from the wait detection switch is input due to open or short circuit.
DTC Logic
INFOID:0000000006179456
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Perform self-diagnosis.
Is DTC P1814 or flash code 10 detected?
YES
>> Perform diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000006179457
Regarding Wiring Diagram information, refer to
.
1.
CHECK WAIT DETECTION SWITCH SIGNAL
With CONSULT-III
1. Start engine.
2. Select DATA MONITOR mode for ALL MODE AWD/4WD with CONSULT-III.
3. Read out the value of WAIT DETCT SW.
Without CONSULT-III
1. Start engine.
2. Check voltage between transfer control unit harness connector
terminal and ground.
OK or NG
DTC
CONSULT-III
Diagnostic item is detected when...
Reference
[P1814]
4WD DETECT SWITCH
Improper signal from wait detection
switch is input due to open or short cir-
cuit.
Condition
Display value
• Vehicle stopped
• Engine running
• A/T selector lever N position
• Brake pedal depressed
4WD shift switch: 4H and 4LO
ON
4WD shift switch: 2WD
OFF
Connector
Terminal
Condition
Voltage
(Approx.)
E142
17 -
Ground
• Vehicle stopped
• Engine running
• A/T selector lever
N position
• Brake pedal de-
pressed
4WD shift switch
: 4H and 4LO
0V
4WD shift switch: 2WD
Battery
voltage
SDIA3367E
P1814 WAIT DETECTION SWITCH
DLN-37
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
OK
>> GO TO 5.
NG
>> GO TO 2.
2.
CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND WAIT DETECTION SWITCH
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Disconnect transfer control unit harness connector and the wait detection switch harness connector.
3. Check continuity between transfer control unit harness connec-
tor E142 terminal 17 and wait detection switch harness connec-
tor F59 terminal 10.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Disconnect wait detection switch harness connector.
3. Check continuity between wait detection switch harness con-
nector F59 terminal 11 and ground.
Also check harness for short to power.
OK or NG
OK
>> GO TO 4.
NG
>> Repair open circuit or short to power in harness or con-
nectors.
4.
CHECK WAIT DETECTION SWITCH
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Disconnect wait detection switch harness connector.
3. Remove wait detection switch. Refer to
DLN-12, "Component Parts Location"
.
4. Push and release wait detection switch and check continuity
between wait detection switch terminals 10 and 11.
OK or NG
OK
>> GO TO 5.
NG
>> Replace wait detection 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
Continuity should exist.
SDIA3368E
Continuity should exist.
PDIA0207E
Terminal
Condition
Continuity
10 - 11
Push wait detection switch
Yes
Release wait detection switch
No
PDIA0208E
DLN-38
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TX15B]
P1814 WAIT DETECTION SWITCH
OK
>> Inspection End.
NG
>> Replace transfer control unit. Refer to
DLN-93, "Removal and Installation"
.
Component Inspection
INFOID:0000000006179458
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Disconnect wait detection switch harness connector.
3. Remove wait detection switch. Refer to
DLN-12, "Component Parts Location"
4. Push and release wait detection switch and check continuity
between wait detection switch terminals 10 and 11.
5. If the inspection results are abnormal replace the wait detection
switch.
Terminal
Condition
Continuity
10 - 11
Push wait detection switch
Yes
Release wait detection switch
No
PDIA0208E
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