Nissan Pathfinder (2006 year). Instruction — part 23
MAIN POWER SUPPLY AND GROUND CIRCUIT
AT-175
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2006 Pathfinder
3.
DETECT MALFUNCTIONING ITEM
Check the following.
●
Harness for short or open between battery and A/T assembly harness connector terminals 1, 2
●
Harness for short or open between ignition switch and A/T assembly harness connector terminal 6
●
10A fuse (No. 22, located in the fuse and fusible link block) and 10A fuse (No. 49, located in the IPDM E/
R)
●
Ignition switch. Refer to
PG-4, "POWER SUPPLY ROUTING CIRCUIT"
.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace damaged parts.
4.
CHECK TCM GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect A/T assembly harness connector.
3.
Check continuity between A/T assembly harness connector ter-
minals and ground.
If OK, check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 5.
NG
>> Repair open circuit or short to ground or short to power
in harness or connectors.
5.
DETECT MALFUNCTIONING ITEM
Check the following.
●
The A/T assembly harness connector terminals for damage or loose connection with harness connector.
OK or NG
OK
>> GO TO 6.
NG
>> Repair or replace damaged parts.
6.
PERFORM SELF-DIAGNOSIS
Perform self-diagnosis. Refer to
AT-90, "SELF-DIAGNOSTIC RESULT MODE"
OK or NG
OK
>> INSPECTION END
NG-1
>> Self-diagnosis does not activate: GO TO 7.
NG-2
>> DTC is displayed: Check the malfunctioning system. Refer to
Item
Connector
Terminal
Continuity
TCM
F9
5, 10 - Ground
Yes
SCIA2106E
AT-176
MAIN POWER SUPPLY AND GROUND CIRCUIT
2006 Pathfinder
7.
CHECK TERMINAL CORD ASSEMBLY
1.
Remove control valve with TCM. Refer to
AT-233, "Control Valve With TCM and A/T Fluid Temperature
2.
Disconnect A/T assembly harness connector and TCM connector.
3.
Check continuity between A/T assembly harness connector ter-
minals and TCM connector terminals.
4.
Check continuity between A/T assembly harness connector ter-
minals and TCM connector terminals.
5.
If OK, check harness for short to ground and short to power.
OK or NG
OK
>> Replace the control valve with TCM. Refer to
AT-233, "Control Valve With TCM and A/T Fluid
.
NG
>> Replace open circuit or short to ground and short to power in harness or connectors.
Item
Connector
Terminal
Voltage
A/T assembly harness connector
F9
1
Yes
TCM connector
F502
9
A/T assembly harness connector
F9
2
Yes
TCM connector
F502
10
A/T assembly harness connector
F9
6
Yes
TCM connector
F502
4
SCIA5464E
Item
Connector
Terminal
Voltage
A/T assembly harness connector
F9
5
Yes
TCM connector
F504
21
A/T assembly harness connector
F9
10
Yes
TCM connector
F504
22
SCIA5465E
CLOSED THROTTLE POSITION AND WIDE OPEN THROTTLE POSITION CIR-
CUIT
AT-177
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2006 Pathfinder
CLOSED THROTTLE POSITION AND WIDE OPEN THROTTLE POSITION CIR-
CUIT
PFP:18002
CONSULT-II Reference Value
ECS00EKS
Diagnostic Procedure
ECS00EKT
1.
CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to
AT-90, "SELF-DIAGNOSTIC RESULT MODE"
Is a malfunction in the CAN communication indicated in the results?
YES
>> Check CAN communication line. Refer to
AT-103, "DTC U1000 CAN COMMUNICATION LINE"
NO
>> GO TO 2.
2.
CHECK THROTTLE POSITION SIGNAL CIRCUIT
With CONSULT-II
1.
Turn ignition switch “ON”. (Do not start engine.)
2.
Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3.
Depress accelerator pedal and read out the value of “CLSD THL
POS” and “W/O THL POS”.
OK or NG
OK
>> INSPECTION END
NG
>> Check the following. If NG, repair or replace damaged
parts.
●
Perform the self-diagnosis for “ENGINE” with CON-
SULT-II.
●
Open circuit or short to ground or short to power in harness or connectors.
●
Pin terminals for damage or loose connection with harness connector.
Item name
Condition
Display value
CLSD THL POS
Released accelerator pedal.
ON
Fully depressed accelerator pedal.
OFF
W/O THL POS
Fully depressed accelerator pedal.
ON
Released accelerator pedal.
OFF
PCIA0070E
AT-178
BRAKE SIGNAL CIRCUIT
2006 Pathfinder
BRAKE SIGNAL CIRCUIT
PFP:25320
CONSULT-II Reference Value
ECS00EKU
Diagnostic Procedure
ECS00EKV
1.
CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to
AT-90, "SELF-DIAGNOSTIC RESULT MODE"
Is a malfunction in the CAN communication indicated in the results?
YES
>> Check CAN communication line. Refer to
AT-103, "DTC U1000 CAN COMMUNICATION LINE"
NO
>> GO TO 2.
2.
CHECK STOP LAMP SWITCH CIRCUIT
With CONSULT-II
1.
Turn ignition switch “ON”. (Do not start engine.)
2.
Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3.
Read out ON/OFF switching action of the “BRAKE SW”.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 3.
3.
CHECK STOP LAMP SWITCH
Check continuity between stop lamp switch harness connector termi-
nals 1 and 2.
Check stop lamp switch after adjusting brake pedal — refer to
OK or NG
OK
>> Check the following. If NG, repair or replace damaged parts.
●
Harness for short or open between battery and stop lamp switch.
●
Harness for short or open between stop lamp switch and combination meter.
NG
>> Repair or replace the stop lamp switch.
Item name
Condition
Display value
BRAKE SW
Depressed brake pedal.
ON
Released brake pedal.
OFF
PCIA0070E
Item
Condition
Terminal
Continuity
Stop lamp
switch har-
ness connec-
tor
When brake pedal is
depressed
1 - 2
Yes
When brake pedal is released
No
SCIA2144E
OVERDRIVE CONTROL SWITCH
AT-179
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2006 Pathfinder
OVERDRIVE CONTROL SWITCH
PFP:25130
CONSULT-II Reference Value
ECS00EKW
Diagnostic Procedure
ECS00EKX
1.
CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to
AT-90, "SELF-DIAGNOSTIC RESULT MODE"
Is any malfunction in the CAN communication indicated in the results?
YES
>> Check CAN communication line. Refer to
AT-103, "DTC U1000 CAN COMMUNICATION LINE"
NO
>> GO TO 2.
2.
CHECK OVERDRIVE CONTOROL SWITCH CIRCUIT
With CONSULT-II
1.
Turn ignition switch “ON”.
2.
Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3.
Read out “OD CONT SW”.
Check the signal of the overdrive control switch is indicated
properly.
Without CONSULT-II
1.
Turn ignition switch “ON”. (Do not start engine)
2.
Check voltage between A/T control device connector terminal and ground.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 3.
Item name
Condition
Display value
OD CONT SW
Releasing overdrive control switch
OFF
Holding overdrive control switch
ON
Monitor item
Condition
Display value
OD CONT SW
Releasing overdrive control switch
OFF
Holding overdrive control switch
ON
LCIA0339E
Item
Connector
No.
Terminal No.
Condition
Data
(Approx.)
Overdrive
control switch
M156
7 - Ground
Releasing overdrive
control switch
Battery
voltage
Holding overdrive
control switch
0V
AT-180
OVERDRIVE CONTROL SWITCH
2006 Pathfinder
3.
CHECK OVERDRIVE CONTROL SWITCH
1.
Turn ignition switch “OFF”.
2.
Disconnect A/T control device connector.
3.
Check continuity between A/T control device connector M156 terminals 7 and 8.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace overdrive control switch.
4.
DETECT MALFUNCTIONING ITEM
Check the following. If any items are damaged, repair or replace damaged parts.
●
Harness for short or open between combination meter connector terminal 20 and A/T control device con-
nector terminal 7.
●
Harness for short or open between A/T control device connector terminal 8 and ground.
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace damaged parts.
5.
CHECK COMBINATION METER
Check the combination meter. Refer to
DI-19, "How to Proceed With Trouble Diagnosis"
OK or NG
OK
>> INSPECTION END
NO
>> Repair or replace damaged parts.
Condition
Continuity
Releasing overdrive control switch
No
Holding overdrive control switch
Yes
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-181
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2006 Pathfinder
TROUBLE DIAGNOSIS FOR SYMPTOMS
PFP:00007
Wiring Diagram — AT — NONDTC
ECS00EKY
BCWA0569E
AT-182
TROUBLE DIAGNOSIS FOR SYMPTOMS
2006 Pathfinder
BCWA0577E
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