Infiniti M35/M45 Y50. Manual - part 46

DTC U1000 CAN COMMUNICATION LINE

AT-107

D

E

F

G

H

I

J

K

L

M

A

B

AT

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

Diagnostic Procedure

NCS001KO

1. 

CHECK CAN COMMUNICATION CIRCUIT

 With CONSULT-II

1.

Turn ignition switch ON and start engine.

2.

Select “SELF-DIAG RESULTS” mode for “A/T” with CONSULT-
II.

Is any malfunction of the “CAN COMM CIRCUIT” indicated?

YES

>> Print out CONSULT-II screen, GO TO LAN section.

Refer to 

LAN-50, "CAN System Specification Chart"

 .

NO

>> INSPECTION END

Terminal

Item

Condition

Data (Approx.)

3

CAN-H

–

–

8

CAN-L

–

–

PCIA0061E

AT-108

DTC P0615 START SIGNAL CIRCUIT

DTC P0615 START SIGNAL CIRCUIT

PFP:25230

Description

NCS001KP

TCM prohibits cranking other than at “P” or “N” position.

CONSULT-II Reference Value

NCS001KQ

On Board Diagnosis Logic

NCS001KR

●

This is not an OBD-II self-diagnostic item. 

●

Diagnostic trouble code “P0615 STARTER RELAY/CIRC” with CONSULT-II or 14th judgement flicker
without CONSULT-II is detected when starter relay is switched ON other than at “P” or “N” position. (Or
when switched OFF at “P” or “N” position).

Possible Cause

NCS001KS

●

Harness or connectors
(Starter relay and TCM circuit is open or shorted.)

●

Starter relay circuit

DTC Confirmation Procedure

NCS001KT

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

 WITH CONSULT-II

1.

Turn ignition switch ON.

2.

Select “SELECTION FROM MENU” in “DATA MONITOR” mode
for “A/T” with CONSULT-II and check monitor “STARTER
RELAY” ON/OFF.

3.

Start engine.

4.

Drive vehicle for at least 2 consecutive seconds.

5.

If DTC is detected, go to 

AT-110, "Diagnostic Procedure"

 .

Item name

Condition

Display value

STARTER RELAY

Selector lever in “N”, “P” positions.

ON

Selector lever in “R”, “D” positions.

OFF

BCIA0030E

DTC P0615 START SIGNAL CIRCUIT

AT-109

D

E

F

G

H

I

J

K

L

M

A

B

AT

Wiring Diagram — AT — STSIG

NCS001KU

TCWT0343E

AT-110

DTC P0615 START SIGNAL CIRCUIT

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

Diagnostic Procedure

NCS001KV

1. 

CHECK STARTER RELAY

 With CONSULT-II

1.

Turn ignition switch ON.

2.

Select “SELECTION FROM MENU” in “DATA MONITOR” mode
for “A/T” with CONSULT-II and check monitor “STARTER
RELAY” ON/OFF.

 Without CONSULT-II

1.

Turn ignition switch ON.

2.

Check voltage between the IPDM E/R connector and ground.

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 2.

2. 

 CHECK HARNESS BETWEEN A/T ASSEMBLY HARNESS CONNECTOR AND IPDM E/R CONNEC-

TOR

1.

Turn ignition switch OFF.

2.

Disconnect A/T assembly harness connector and IPDM E/R connector.

3.

Check continuity between A/T assembly harness connector and
IPDM E/R connector.

4.

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

5.

Reinstall any part removed.

OK or NG

OK

>> GO TO 3.

NG

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

Terminal

Item

Condition

Data (Approx.)

9

Starter relay

Selector lever in “N”, “P” positions.

Battery voltage

Selector lever in “R”, “D” positions.

0 V

Item name

Condition

Display value

STARTER RELAY

Selector lever in “N”, “P” positions.

ON

Selector lever in “R”, “D” positions.

OFF

Item

Connector

Terminal

Shift position

Voltage (Approx.) 

Starter 
relay

E9

53

Ground

“N”,  “P”

Battery voltage

“R”,  “D”

0 V

PCIA0056E

SCIA2103E

Item

Connector

Terminal

Continuity

A/T assembly harness con-
nector

F42

9

Yes

IPDM E/R connector

E9

53

SCIA5439E