Infiniti M45 (Y34). Manual - part 57

 

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Infiniti M45 (Y34). Manual - part 57

 

 

DTC P0705 PARK/NEUTRAL POSITION SWITCH

AT-113

D

E

F

G

H

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J

K

L

M

A

B

AT

TCM terminals and data are reference value. Measured between each terminal and ground.

Diagnostic Procedure

ACS004P9

1. 

CHECK PNP SWITCH CIRCUIT

 With CONSULT-II

1.

Turn ignition switch ON. (Do not start engine.)

2.

Select “MAIN SIGNALS” in “DATA MONITOR” mode for “A/T”
with CONSULT-II.

3.

Read out “N·P”, “R” and “D” position switches moving selector
lever to each position.

 Without CONSULT-II

1.

Turn ignition switch ON. (Do not start engine.)

2.

Selector lever to “P“, “R”, “N”, or “D” position to check the volt-
age between the TCM connector terminals and ground.

OK or NG

OK

>> GO TO 4.

NG

>> GO TO 2.

Terminal   No.

Wire color

Item

Condition

Data (Approx.)

30

R/W

PNP switch 1

IGN ON

Selector lever in “P” position.

Battery voltage

Selector lever in “N” position.

Less than 2.5V 

31

OR

PNP switch 2

Selector lever in “P” position.

Battery voltage

Selector lever in “D” position.

Less than 2.5V 

38

SB

PNP switch 3

Selector lever in “D” position.

Battery voltage

Selector lever in “R” position.

Less than 2.5V 

39

BR

PNP switch 4

Selector lever in “D” position.

Less than 2.5V 

Selector lever in “P” position.

Battery voltage

47

G/W

PNP switch 3 
(monitor)

Selector lever in “D” position.

Battery voltage

Selector lever in “R” position.

Less than 2.5V 

Item name

Condition 

Display value (Approx.)

SLCT LVR POSI

When setting selector 
lever to “N” or “P” posi-
tion.

N · P

When setting selector 
lever to “R” position.

R

When setting selector 
lever to “D” position.

D

PCIA0034E

Shift 

position

Connector No.

F104

Terminal No. (Wire color)

30 (R/W) - 

Ground

31 (OR) - 

Ground

38 (SB) - 

Ground

39 (BR) - 

Ground

P

Battery voltage

Battery voltage

Battery voltage

R

Less than 2.5V 

N

Less than 2.5V 

D

Less than 2.5V 

Battery   voltage

Less than 2.5V 

PCIA0035E

AT-114

DTC P0705 PARK/NEUTRAL POSITION SWITCH

2. 

DETECT MALFUNCTIONING ITEM

Check the following items.

Disconnection or short-circuit in the harness between TCM and A/T unit harness connector.

PNP switch. Refer to 

AT-115, "Component Inspection"

 .

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace damaged parts.

3. 

CHECK TERMINAL CORD ASSEMBLY

1.

Remove oil pan. Refer to 

AT-312, "Control Valve Assembly"

 .

2.

Disconnect A/T unit assembly harness connector and control valve assembly harness connector.

3.

Check continuity between A/T unit assembly harness connector
and control valve assembly harness connector.

4.

If OK, check harness for short to ground and short to power.

5.

Reinstall any part removed.

OK or NG

OK

>> Replace control valve assembly. Refer to 

AT-312, "Control Valve Assembly"

 .

NG

>> Repair open circuit or short to ground or short to power in harness or connectors.

4. 

CHECK DTC

Perform “DTC Confirmation Procedure”. Refer to 

AT-110, "DTC Confirmation Procedure"

 .

OK or NG

OK >> INSPECTION END
NG

>> GO TO 5.

Item

Connector No.

Terminal No. 

(Wire color)

Continuity

A/T unit assembly har-
ness connector

F28

1 (G/B)

Yes

Control valve assembly 
harness connector

F302

A/T unit assembly har-
ness connector

F28

2 (G/W)

Yes

Control valve assembly 
harness connector

F302

A/T unit assembly har-
ness connector

F28

3 (G/R)

Yes

Control valve assembly 
harness connector

F302

A/T unit assembly har-
ness connector

F28

4 (Y/R)

Yes

Control valve assembly 
harness connector

F302

A/T unit assembly har-
ness connector

F28

5 (L/Y)

Yes

Control valve assembly 
harness connector

F302

SCIA3063E

DTC P0705 PARK/NEUTRAL POSITION SWITCH

AT-115

D

E

F

G

H

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K

L

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A

B

AT

5. 

CHECK TCM

1.

Check TCM input/output signal. Refer to 

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

 .

2.

If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

OK or NG

OK

>> INSPECTION END

NG

>> Repair or replace damaged parts.

Component Inspection

ACS004PA

PNP SWITCH

1.

Selector lever to various positions to check the continuity
between terminals on the PNP switch and ground.

2.

If NG, check the continuity with the control linkage disconnected. (Refer to Step 1 above.)

3.

If OK with the control linkage disconnected, adjust the control linkage. Refer to 

AT-305, "Adjustment of A/

T Position"

 .

4.

If NG even when the control linkage is disconnected, replace the control valve assembly. Refer to 

AT-312,

"Control Valve Assembly"

 .

PNP SW

Shift position

Connector No.

Terminal No.

(Wire color)

Continuity

SW 1

P

F302

1 (G/W) - Ground

No

SW 2

2 (W/L) - Ground

SW 3

D

3 (W/Y) - Ground

SW 4

4 (GY) - Ground

Yes

SW 3 Monitor

P, R, N, D

3 (W/Y) - 5 (W/R)

SCIA3062E

AT-116

DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR)

DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR)

PFP:32702

Description

ACS0047E

The revolution sensor detects the revolution of the idler gear parking pawl lock gear and emits a pulse signal.
The pulse signal is sent to the TCM which converts it into vehicle speed.

CONSULT-II Reference Value

ACS004P4

On Board Diagnosis Logic

ACS0047F

This is an OBD-II self-diagnostic item.

Diagnostic trouble code “VEH SPD SEN/CIR AT” with CONSULT-II or P0720 without CONSULT-II is
detected under the following conditions.

When TCM does not receive the proper voltage signal from the sensor.

After ignition switch ON, irregular signal input from vehicle speed sensor MTR before the vehicle starts
moving.

Possible Cause

ACS0047G

Harness or connectors
(The sensor circuit is open or shorted.)

Revolution sensor

Vehicle speed sensor MTR

DTC Confirmation Procedure

ACS0047H

CAUTION:

Always drive vehicle at a safe speed.

Be careful not to rev engine into the red zone on the tachometer.

NOTE:
If “DTC Confirmation Procedure” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.

 WITH CONSULT-II

1.

Turn ignition switch ON. (Do not start engine.)

2.

Select “DATA MONITOR” mode for “A/T” with CONSULT-II.

3.

Check for an increase of “VHCL/S SE·A/T” value in response to
“VHCL/S SE·MTR” value.
If the check result is NG, go to 

AT-118, "Diagnostic Procedure"

 .

If the check result is OK, go to following step.

4.

Select “DATA MONITOR” mode for “ENGINE” with CONSULT-II.

5.

Start engine and maintain the following conditions for at least 5
consecutive seconds.
VHCL SPEED SE: 30 km/h (19 MPH) or more
THRTL POS SEN: More than 1.0/8
Selector lever: “D” position 
If the check result is NG, go to 

AT-118, "Diagnostic Procedure"

 .

If the check result is OK, go to following step.

6.

Maintain the following conditions for at least 5 consecutive seconds.
ENGINE SPEED: 3,500 rpm or more
THRTL POS SEN: More than 1.0/8
Selector lever: “D” position
If the check result is NG, go to 

AT-118, "Diagnostic Procedure"

 .

 WITH GST

Follow the procedure “With CONSULT-II”.

Item name

Condition 

Display value

VHCL/S SE·A/T

 During driving

Approximately matches the speedometer 
reading.

SAT014K

 

 

 

 

 

 

 

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