Infiniti QX56 (JA60). Manual - part 949

TM-98

< COMPONENT DIAGNOSIS >

TOW MODE SWITCH

TOW MODE SWITCH

Description

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When tow mode switch is “ON”, tow mode switch signals are sent to TCM from combination meter by CAN

communication line.Then it`s a tow mode condition.

Diagnosis Procedure

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1.

CHECK CAN COMMUNICATION LINE

Perform the self-diagnosis. Refer to 

TM-32, "CONSULT-III Function (TRANSMISSION)"

.

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

YES

>> Check CAN communication line. Refer to 

TM-40

.

NO

>> GO TO 2.

2.

CHECK POWER SOURCE

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

2. Check the voltage between tow mode switch connector M258

terminal 1 and ground.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 3.

3.

CHECK TOW MODE SWITCH

1. Turn ignition switch “OFF”.

2. Disconnect tow mode switch connector.

3. Check continuity between tow mode switch terminals 1 and 2.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace tow mode switch.

4.

DETECT MALFUNCTIONING ITEM

Check the following items. If any items are damaged, repair or replace damaged parts.

• Harness for short or open between combination meter connector terminal 35 and tow mode switch connec-

tor terminal 1.

• Harness for short or open between tow mode switch connector terminal 2 and ground.
OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

5.

CHECK COMBINATION METER

Check the combination meter. Refer to 

MWI-4, "Work Flow"

.

OK or NG

OK

>> INSPECTION END

NO

>> Repair or replace damaged parts.

Condition

Tow mode 

switch

Data (Approx.)

When ignition switch is turned to “ON”

ON

0V

OFF

Battery voltage

SCIA5156E

Condition

Continuity

Tow mode switch “ON”

Yes

Tow mode switch “OFF”

No

SCIA5584E

A/T SHIFT LOCK SYSTEM

TM-99

< COMPONENT DIAGNOSIS >

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

A/T SHIFT LOCK SYSTEM

Description

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Refer to 

TM-29, "System Description"

.

Terminals And Reference Values

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SHIFT LOCK HARNESS CONNECTOR TERMINALS LAYOUT

SHIFT LOCK CONTROL UNIT INSPECTION TABLE

Data are reference values.

NOTE:
Confirm that the pointer swings only momentarily because the output time is so short. If the inspection is done with an oscilloscope, it
should be observed that the power source voltage lasts for 3.5 to 10 ms.

AWDIA0043ZZ

TER-

MINAL 

NO.

WIRE 

COLOR

ITEM

CONDITION

VOLTAGE

(Approx.)

1

P

Power source

Ignition switch: “ON”

Battery voltage

Ignition switch: “OFF”

Battery voltage

2

L/R

 Park position switch
(Intelligent Key sys-
tem)

Selector lever in “P” position

0V

Except above with ignition knob switch in “PUSHED” or “ON” 
position

Battery voltage

3

GR

Park position switch
(shift selector)

Selector lever in “P” position

0V

Except above

Battery voltage

4

R/G

Stop lamp switch

Brake pedal applied

Battery voltage

Brake pedal released

0V

5

W/R

Vehicle speed signal

—

—

6

G/R

Ignition signal

Ignition switch: “ON”

Battery voltage

Ignition switch: “OFF”

0V

7

R/W

Shift lock solenoid

Brake pedal applied with ignition knob switch in “ON” position

0V

Except above

Battery voltage

8

B

Ground

—

—

9

R

Key lock solenoid

Selector lever in any position except “P”, and ignition knob 
switch turned from “ON” to “OFF”

Battery voltage for ap-
prox. 0.1 sec. (Note)

Except above

0V

10

W/G

Key unlock solenoid

Ignition knob switch in “PUSHED” position.

Battery voltage for ap-
prox. 0.1 sec. (Note)

Except above

0V

TM-100

< COMPONENT DIAGNOSIS >

A/T SHIFT LOCK SYSTEM

Wiring Diagram - A/T SHIFT LOCK SYSTEM -

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ABDWA0116GB

A/T SHIFT LOCK SYSTEM

TM-101

< COMPONENT DIAGNOSIS >

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

AADIA0120GB