Infiniti M45 (Y34). Manual - part 499

 

  Index      Infiniti     Infiniti M45 (Y34) - service repair manual 2004 year

 

Search            copyright infringement  

 

 

 

 

 

 

 



 

 

Content   ..  497  498  499  500   ..

 

 

Infiniti M45 (Y34). Manual - part 499

 

 

ELECTRICAL LOAD SIGNAL

EC-685

C

D

E

F

G

H

I

J

K

L

M

A

EC

ELECTRICAL LOAD SIGNAL

PFP:25350

Description

ABS002U9

The electrical load signal (Headlamp switch signal, rear window defogger switch signal, etc.) is transferred
through the CAN communication line from combination meter to ECM.

CONSULT-II Reference Value in Data Monitor Mode

ABS0033E

Specification data are reference values.

MONITOR ITEM

CONDITION

SPECIFICATION

LOAD SIGNAL

Ignition switch: ON

Rear window defogger switch is ON 
and/or lighting switch is in 2nd.

ON

Rear window defogger switch is OFF 
and lighting switch is OFF.

OFF

EC-686

ELECTRICAL LOAD SIGNAL

Wiring Diagram

ABS0033F

TBWA0318E

ELECTRICAL LOAD SIGNAL

EC-687

C

D

E

F

G

H

I

J

K

L

M

A

EC

TBWA0319E

EC-688

ELECTRICAL LOAD SIGNAL

Diagnostic Procedure

ABS002UA

1. 

CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-I

1.

Turn ignition switch ON.

2.

Connect CONSULT-II or GST and select “DATA MONITOR” mode.

3.

Select “LOAD SIGNAL” and check indication under the following
conditions.

OK or NG

OK

>> GO TO 2.

NG

>> GO TO 3.

2. 

CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-II

Check “LOAD SIGNAL” indication under the following conditions.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 7.

3. 

CHECK REAR WINDOW DEFOGGER FUNCTION

1.

Start engine.

2.

Turn ON the rear window defogger switch.

3.

Check the rear windshield. Is the rear windshield heated up?

Yes or No

Yes

>> GO TO 4.

No

>> Check rear window defogger circuit. Refer to 

GW-60, "REAR WINDOW DEFOGGER"

 .

4. 

CHECK REAR WINDOW DEFOGGER INPUT SIGNAL CIRCUIT FOR OPEN OR SHORT

1.

Stop engine.

2.

Disconnect rear window defogger and door mirror defogger relay.

3.

Disconnect combination meter harness connector.

4.

Check harness continuity between rear window defogger and door mirror defogger relay terminals 5, 7
and combination meter terminal 25.
Refer to Wiring Diagram.

5.

Also check harness for short to ground and short to power.

OK or NG

OK

>> GO TO 6.

NG

>> GO TO 5.

Condition

Indication

Rear window defogger switch: ON

ON

Rear window defogger switch: OFF

OFF

PBIB0103E

Condition

Indication

Lighting switch: ON at 2nd position

ON

Lighting switch: OFF

OFF

PBIB0103E

Continuity should exist.

 

 

 

 

 

 

 

Content   ..  497  498  499  500   ..