Infiniti FX35 / FX45. Manual — part 57

AT-156

< SERVICE INFORMATION >

DTC P1815 MANUAL MODE SWITCH

Wiring Diagram - AT - MMSW

INFOID:0000000001327324

TCWM0498E

DTC P1815 MANUAL MODE SWITCH

AT-157

< SERVICE INFORMATION >

D

E

F

G

H

I

J

K

L

M

A

B

AT

N

O

P

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

TCWM0499E

Terminal

Wire

color

Item

Condition

Data (Approx.)

3

L

CAN-H

8

P

CAN-L

AT-158

< SERVICE INFORMATION >

DTC P1815 MANUAL MODE SWITCH

Diagnosis Procedure

INFOID:0000000001327325

1.

CHECK CAN COMMUNICATION LINE

Perform the self-diagnosis.
Is a malfunction in the CAN communication indicated in the results?

YES

>> Check CAN communication line. Refer to

AT-94

.

NO

>> GO TO 2.

2.

CHECK MANUAL MODE SWITCH CIRCUIT

With CONSULT-III

1.

Turn ignition switch ON.

2.

Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.

3.

Read out ON/OFF switching action of “MANU MODE SW”, “NON M-MODE SW”, “UP SW LEVER”,
“DOWN SW LEVER”.

Without CONSULT-III

Drive vehicle in the manual mode, and confirm that the actual gear position and the meter's indication of the
position mutually coincide when the selector lever is shifted to the “+ (up)” or “- (down)” side (1st

5th gear).

OK or NG

OK

>> GO TO 4.

NG

>> GO TO 3.

3.

DETECT MALFUNCTIONING ITEM

Check the following.

• Manual mode switch. Refer to

AT-159, "Component Inspection"

.

• Pin terminals for damage or loose connection with harness connector.
• Open circuit or short to ground or short to power in harness or connector for A/T device (manual mode

switch).

• Unified meter and A/C amp. Refer to

DI-5

.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace damaged parts.

4.

CHECK DTC

Perform

AT-155, "DTC Confirmation Procedure"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 5.

9

GY

Starter relay

Selector lever in “N” and “P” positions.

Battery voltage

Selector lever in other positions.

0 V

Terminal

Wire

color

Item

Condition

Data (Approx.)

Item name

Condition

Display Value

MANU MODE SW

Manual shift gate position (neutral)

ON

Other than the above

OFF

NON M-MODE SW

Manual shift gate position

OFF

Other than the above

ON

UP SW LEVER

selector lever: +side

ON

Other than the above

OFF

DOWN SW LEVER

selector lever: -side

ON

Other than the above

OFF

DTC P1815 MANUAL MODE SWITCH

AT-159

< SERVICE INFORMATION >

D

E

F

G

H

I

J

K

L

M

A

B

AT

N

O

P

5.

CHECK TCM POWER SUPPLY AND GROUND CIRCUIT

Check TCM power supply and ground circuit. Refer to

AT-160

.

OK or NG

OK

>> GO TO 6.

NG

>> Repair or replace damaged parts.

6.

DETECT MALFUNCTIONING ITEM

Check A/T assembly harness connector pin terminals for damage or loose connection with harness connector.

OK or NG

OK

>> Replace the control valve with TCM. Refer to

AT-215, "Control Valve with TCM and A/T Fluid Tem-

perature Sensor 2"

.

NG

>> Repair or replace damaged parts.

Component Inspection

INFOID:0000000001327326

MANUAL MODE SWITCH

Check continuity between terminals.

Item

Position

Connector Terminal

Continuity

Manual mode
select switch

Auto

M67

9 - 10

Yes

Manual

6 - 9

Manual mode
position select
switch

UP

8 - 9

DOWN

7 - 9

SCIA2112E

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Политика конфиденциальности