Nissan Pathfinder (2006 year). Manual - part 24

NOSTIC PROCEDURE (NO TOOLS)"

AT-101, "TCM SELF-DIAG-

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"

>> GO TO 2.

CHECK O/D OFF INDICATOR LAMP CIRCUIT

Check the combination meter. Refer to

DI-4, "COMBINATION METERS"

OK or NG

>> GO TO 3

>> Repair or replace damaged parts.

CHECK TCM POWER SUPPLY AND GROUND CIRCUIT

Check TCM power supply and ground circuit. Refer to

AT-173, "MAIN POWER SUPPLY AND GROUND CIR-

CUIT"

OK or NG

>> INSPECTION END

>> Repair or replace damaged parts.

Terminal

Wire

color

Item

Condition

Data (Approx.)

CAN-H

–

K-line (CONSULT-
II signal)

The terminal is connected to the data link connector for CONSULT-II.

–

Back-up lamp
relay

Selector lever in “R” position.

Selector lever in other positions.

Battery voltage

CAN-L

–

AT-184

TROUBLE DIAGNOSIS FOR SYMPTOMS

2006 Pathfinder

Engine Cannot Be Started In “P” or “N” Position

ECS00EL0

SYMPTOM:

●

Engine cannot be started with selector lever in “P” or “N” position.

●

Engine can be started with selector lever in “D”, “3”, “2”, “1”or “R” position.

DIAGNOSTIC PROCEDURE

CHECK SELF-DIAGNOSIS RESULTS

Perform self-diagnosis. Refer to

AT-111, "DTC P0705 PARK/NEUTRAL POSITION

Do the self-diagnosis results indicate PNP switch?

YES

>> Check the malfunctioning system. Refer to

SWITCH"

>> GO TO 2.

CHECK CONTROL CABLE

Check the control cable.

●

Refer to

OK or NG

>> GO TO 3.

>> Adjust control cable. Refer to

CHECK STARTING SYSTEM

Check the starting system. Refer to

SC-10, "STARTING SYSTEM"

OK or NG

>> INSPECTION END

>> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-185

2006 Pathfinder

In “P” Position, Vehicle Moves When Pushed

ECS00EL1

SYMPTOM:

Even though the selector lever is set in the “P” position, the parking mechanism is not actuated,
allowing the vehicle to be moved when it is pushed.

DIAGNOSTIC PROCEDURE

CHECK PNP SWITCH CIRCUIT

Perform self-diagnosis. Refer to

AT-111, "DTC P0705 PARK/NEUTRAL POSITION

Do the self-diagnosis results indicate PNP switch?

YES

>> Check the malfunctioning system. Refer to

SWITCH"

>> GO TO 2.

CHECK CONTROL CABLE

Check the control cable.

●

Refer to

OK or NG

>> GO TO 3.

>> Adjust control cable. Refer to

AT-233, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"

CHECK A/T FLUID CONDITION

Remove oil pan. Refer to

Check A/T fluid condition. Refer to

OK or NG

>> INSPECTION END

>> GO TO 4.

DETECT MALFUNCTIONING ITEM

●

Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to

AT-64,

"Symptom Chart"

(Symptom No.58).

OK or NG

>> INSPECTION END

>> Repair or replace damaged parts.

AT-186

TROUBLE DIAGNOSIS FOR SYMPTOMS

2006 Pathfinder

In “N” Position, Vehicle Moves

ECS00EL2

SYMPTOM:

Vehicle moves forward or backward when selecting “N” position.

DIAGNOSTIC PROCEDURE

CHECK PNP SWITCH CIRCUIT

Perform self-diagnosis. Refer to

AT-111, "DTC P0705 PARK/NEUTRAL POSITION

Do the self-diagnostic results indicate PNP switch?

YES

>> Check the malfunctioning system. Refer to

SWITCH"

>> GO TO 2.

CHECK CONTROL CABLE

Check the control cable.

●

Refer to

OK or NG

>> GO TO 3.

>> Adjust control cable. Refer to

AT-13, "Checking the Automatic Transmission Fluid (ATF)"

CHECK A/T FLUID LEVEL

Check A/T fluid level. Refer to

OK or NG

>> GO TO 4.

>> Refill ATF.

CHECK A/T FLUID CONDITION

Remove oil pan. Refer to

AT-233, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"

Check A/T fluid condition. Refer to

AT-86, "TCM Input/Output Signal Reference Val-

OK or NG

>> GO TO 5.

>> Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to

AT-64, "Symptom Chart"

(Symptom No.60).

CHECK SYMPTOM

Check again. Refer to

AT-57, "Check at Idle"

OK or NG

>> INSPECTION END

>> GO TO 6.

PERFORM TCM INSPECTION

Perform TCM input/output signals inspection. Refer to

ues"

If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.

OK or NG

>> INSPECTION END

>> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-187

2006 Pathfinder

Large Shock (“N” to “D” Position)

ECS00EL3

SYMPTOM:

A noticeable shock occurs when the selector lever is shifted from the “N” to “D” position.

DIAGNOSTIC PROCEDURE

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to

EC-75, "Idle Speed and Ignition Timing Check"

>> GO TO 2.

ENGINE IDLE SPEED

Check the engine idle speed. Refer to

OK or NG

>> GO TO 3.

>> Repair.

CHECK CONTROL CABLE

Check the control cable.

●

Refer to

OK or NG

>> GO TO 4.

>> Adjust control cable. Refer to

AT-13, "Checking the Automatic Transmission Fluid (ATF)"

CHECK A/T FLUID LEVEL

Check the A/T fluid level. Refer to

OK or NG

>> GO TO 5.

>> Refill ATF.

CHECK LINE PRESSURE

Check line pressure at idle with selector lever in “D” position. Refer to

AT-54, "LINE PRESSURE TEST"

OK or NG

>> GO TO 8.

NG - 1 >> Line pressure high: GO TO 6.
NG - 2 >> Line pressure low: GO TO 7.

DETECT MALFUNCTIONING ITEM

Check control valve with TCM. Refer to

AT-233, "Control Valve With TCM and A/T Fluid Temperature Sen-

Disassemble A/T. Refer to

Check the following.

–

Oil pump assembly. Refer to

AT-233, "Control Valve With TCM and A/T Fluid Temperature Sen-

OK or NG

>> GO TO 8.

>> Repair or replace damaged parts.

AT-188

TROUBLE DIAGNOSIS FOR SYMPTOMS

2006 Pathfinder

DETECT MALFUNCTIONING ITEM

Check control valve with TCM. Refer to

Disassemble A/T. Refer to

Check the following.

–

Oil pump assembly. Refer to

–

Power train system. Refer to

–

Transmission case. Refer to

AT-233, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"

OK or NG

>> GO TO 8.

>> Repair or replace damaged parts.

CHECK A/T FLUID CONDITION

Remove oil pan. Refer to

Check A/T fluid condition. Refer to

AT-86, "TCM Input/Output Signal Reference Val-

OK or NG

>> GO TO 10.

>> GO TO 9.

DETECT MALFUNCTIONING ITEM

●

Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to

AT-64,

"Symptom Chart"

(Symptom No.1).

OK or NG

>> GO TO 10.

>> Repair or replace damaged parts.

10.

CHECK SYMPTOM

Check again. Refer to

AT-57, "Check at Idle"

OK or NG

>> INSPECTION END

>> GO TO 11.

11.

PERFORM TCM INSPECTION

Perform TCM input/output signals inspection. Refer to

ues"

If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.

OK or NG

>> INSPECTION END

>> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-189

2006 Pathfinder

Vehicle Does Not Creep Backward In “R” Position

ECS00EL4

SYMPTOM:

The vehicle does not creep in the “R” position. Or an extreme lack of acceleration is observed.

DIAGNOSTIC PROCEDURE

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to

>> GO TO 2.

CHECK CONTROL CABLE

Check the control cable.

●

Refer to

OK or NG

>> GO TO 3.

>> Adjust control cable. Refer to

AT-13, "Checking the Automatic Transmission Fluid (ATF)"

CHECK A/T FLUID LEVEL

Check A/T fluid level. Refer to

OK or NG

>> GO TO 4.

>> Refill ATF.

CHECK STALL TEST

Check stall revolution with selector lever in “1” and “R” positions.
Refer to

AT-53, "STALL TEST"

OK or NG

>> GO TO 6.

OK in “1” position, NG in “R” position>>GO TO 5.
NG in both “1” and “R” positions>>GO TO 8.

DETECT MALFUNCTIONING ITEM

Disassemble A/T. Refer to

Check the following items:

–

Reverse brake. Refer to

AT-54, "LINE PRESSURE TEST"

OK or NG

>> GO TO 9.

>> Repair or replace damaged parts.

CHECK LINE PRESSURE

Check the line pressure with the engine idling. Refer to

OK or NG

>> GO TO 9.

NG - 1 >> Line pressure high. GO TO 7.
NG - 2 >> Line pressure low. GO TO 8.

AT-190

TROUBLE DIAGNOSIS FOR SYMPTOMS

2006 Pathfinder

DETECT MALFUNCTIONING ITEM

Check control valve with TCM. Refer to

AT-233, "Control Valve With TCM and A/T Fluid Temperature Sen-

Disassemble A/T. Refer to

Check the following.

–

Oil pump assembly. Refer to

AT-233, "Control Valve With TCM and A/T Fluid Temperature Sen-

OK or NG

>> GO TO 9.

>> Repair or replace damaged parts.

DETECT MALFUNCTIONING ITEM

Check control valve with TCM. Refer to

Disassemble A/T. Refer to

Check the following.

–

Oil pump assembly. Refer to

–

Power train system. Refer to

–

Transmission case. Refer to

AT-233, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"

OK or NG

>> GO TO 9.

>> Repair or replace damaged parts.

CHECK A/T FLUID CONDITION

Remove oil pan. Refer to

Check A/T fluid condition. Refer to