Infiniti M45 (Y34). Manual — part 92

PARK/NEUTRAL POSITION, MANUAL MODE, BRAKE AND THROTTLE POSI-

TION SWITCH CIRCUIT

AT-253

D

E

F

G

H

I

J

K

L

M

A

B

AT

8.

CHECK TCM

1.

Check TCM input/output signals. 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.

AT-254

TROUBLE DIAGNOSIS FOR SYMPTOMS

TROUBLE DIAGNOSIS FOR SYMPTOMS

PFP:00007

Wiring Diagram — AT — NONDTC

ACS001FP

TCWA0140E

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-255

D

E

F

G

H

I

J

K

L

M

A

B

AT

TCWA0141E

AT-256

TROUBLE DIAGNOSIS FOR SYMPTOMS

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

A/T CHECK Indicator Lamp Does Not Come On

ACS001FQ

SYMPTOM:

A/T CHECK indicator lamp does not come on for about 2 seconds when turning ignition switch to ON.

DIAGNOSTIC PROCEDURE

1.

CHECK CAN COMMUNICATION LINE

Execute the self-diagnosis.

Is a malfunction in the CAN communication indicated in the results?

YES

>> Check the CAN communication line. Refer to

AT-103, "DTC U1000 CAN COMMUNICATION

LINE"

.

NO

>> GO TO 2.

2.

CHECK TCM POWER SOURCE

1.

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

2.

Check voltage between TCM connector terminals and ground.
Refer to

AT-141, "Wiring Diagram — AT — POWER"

.

3.

Turn ignition switch OFF.

4.

Check voltage between TCM connector terminals and ground.
Refer to

AT-141, "Wiring Diagram — AT — POWER"

.

OK or NG

OK

>> GO TO 4.

NG

>> GO TO 3.

Terminal

No.

Wire

color

Item

Condition

Data (Approx.)

6

L

CAN-H

–

–

7

R

CAN-L

–

–

23

PU/W

K-line
(CONSULT-II sig-
nal)

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

41

R

BACK-UP LAMP
relay

IGN ON

Selector lever in “R” position.

0V

Selector lever in other positions.

Battery voltage

Item

Connector No.

Terminal No.

(Wire color)

Voltage

TCM

F103

9 (W/B) - Ground

Battery voltage

F104

33 (G/R) - Ground

42 (G/R) - Ground

Item

Connector No.

Terminal No.

(Wire color)

Voltage

TCM

F103

9 (W/B) - Ground

Battery voltage

F104

33 (G/R) - Ground

0V

42 (G/R) - Ground

SCIA1672E