Infiniti QX56 (JA60). Manual - part 935

 

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Infiniti QX56 (JA60). Manual - part 935

 

 

TM-42

< COMPONENT DIAGNOSIS >

P0615 STARTER RELAY

1. Turn ignition switch “ON”. (Do not start engine.)

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 CONECTOR.

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.

3.

CHECK TERMINAL CORD ASSEMBLY

1. Remove control valve with TCM. Refer to 

TM-172, "Control Valve with TCM and A/T Fluid Temperature

Sensor 2 and Plug"

2. Disconnect A/T assembly harness connector and TCM connector.

3. Check continuity between A/T assembly harness connector ter-

minal and TCM connector terminal.

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

5. Reinstall any part removed.
OK or NG

OK

>> GO TO 4.

NG

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

4.

DETECT MALFUNCTIONING ITEM

Check the following items:

• Starter relay, Refer to 

STR-8, "System Description"

.

• IPDM E/R, Refer to 

PCS-22, "Physical Values"

.

OK or NG

OK

>> Replace the control valve with TCM. Refer to 

TM-172, "Control Valve with TCM and A/T Fluid

Temperature Sensor 2 and Plug"

NG

>> Repair or replace damaged parts.

5.

CHECK DTC

Perform “DTC Confirmation Procedure”.

Item

Connector

Terminal

Shift position

Voltage (Approx.) 

Starter re-
lay

E122

48

Ground

"N'' and "P''

Battery voltage

"R'' and "D''

0V

LCIA0320E

Item

Connector

Terminal

Continuity

A/T assembly harness con-
nector

F9

Yes

IPDM E/R connector

E122

48

WCIA0427E

Item

Connector

Terminal Continuity

A/T assembly harness con-
nector

F9

9

Yes

TCM connector

F502

8

SCIA5440E

P0615 STARTER RELAY

TM-43

< COMPONENT DIAGNOSIS >

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

• Refer to 

TM-41, "DTC Confirmation Procedure"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 2.

TM-44

< COMPONENT DIAGNOSIS >

P0700 TRANSMISSION CONTROL

P0700 TRANSMISSION CONTROL

Description

INFOID:0000000005148539

The TCM consists of a microcomputer and connectors for signal input and output and for power supply. The

TCM controls the A/T.

On Board Diagnosis Logic

INFOID:0000000005148540

• This is an OBD-II self-diagnostic item. 

• Diagnostic trouble code “P0700 TRANSMISSION CONTROL” with CONSULT-III is detected when the TCM

is malfunctioning.

Possible Cause

INFOID:0000000005148541

TCM.

DTC Confirmation Procedure

INFOID:0000000005148542

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-III

1. Turn ignition switch “ON”. (Do not start engine.)

2. Select “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.

3. Start engine.

4. Run engine for at least 2 consecutive seconds at idle speed.

5. If DTC is detected, go to 

TM-44, "Diagnosis Procedure"

.

 WITH GST

Follow the procedure “With CONSULT-III”.

Diagnosis Procedure

INFOID:0000000005148543

1.

CHECK DTC

With CONSULT-III

1. Turn ignition switch “ON”. (Do not start engine.)

2. Select “SELF DIAG RESULTS” mode for “TRANSMISSION” with CONSULT-III.

3. Touch “ERASE”.

4. Turn ignition switch “OFF” and wait at least 10 seconds.

5. Perform DTC Confirmation Procedure, 

TM-44, "DTC Confirmation Procedure"

.

Is the “P0700” displayed again?

YES

>> Replace the control valve with TCM. Refer to 

TM-172, "Control Valve with TCM and A/T Fluid

Temperature Sensor 2 and Plug"

.

NO

>> INSPECTION END

P0705 TRANSMISSION RANGE SWITCH A

TM-45

< COMPONENT DIAGNOSIS >

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

P0705 TRANSMISSION RANGE SWITCH A

Description

INFOID:0000000005148544

The transmission range switch detects the selector lever position and sends a signal to the TCM.

CONSULT-III Reference Value in Data Monitor Mode

INFOID:0000000005148545

On Board Diagnosis Logic

INFOID:0000000005148546

• This is an OBD-II self-diagnostic item.

• Diagnostic trouble code “P0705 T/M RANGE SWITCH A” with CONSULT-III is detected under the following

conditions.

- When TCM does not receive the correct voltage signal from the transmission range switch 1, 2, 3, 4 based

on the gear position.

- When no other position but “P” position is detected from “N” positions.

Possible Cause

INFOID:0000000005148547

• Harness or connectors

(The transmission range switch 1, 2, 3, 4 and TCM circuit is open or shorted.)

• Transmission range switch 1, 2, 3, 4 

DTC Confirmation Procedure

INFOID:0000000005148548

CAUTION:

Always drive vehicle at a safe speed.

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-III

1. Turn ignition switch “ON”. (Do not start engine.)

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

3. Start engine.

4. Drive vehicle and maintain the following conditions for at least 2 consecutive seconds.

THRTL POS SEN: More than 1.2V

5. If DTC is detected, go to 

TM-45, "Diagnosis Procedure"

.

 WITH GST

Follow the procedure “With CONSULT-III”.

Diagnosis Procedure

INFOID:0000000005148549

1.

CHECK TRANSMISSION RANGE SW CIRCUIT

With CONSULT-III

1. Turn ignition switch “ON”. (Do not start engine.)

2. Select “SELECTION FROM MENU” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.

Item name

Condition 

Display value

SLCTLVR POSI

 Selector lever in “N”,“P” positions.

N/P

Selector lever in “R” position.

R

Selector lever in “D” position.

D

Selector lever in “4” position.

4

Selector lever in “3” position.

3

Selector lever in “2” position.

2

Selector lever in “1” position.

1

 

 

 

 

 

 

 

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