Infiniti FX35 / FX45. Manual - part 445

 

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Infiniti FX35 / FX45. Manual - part 445

 

 

DTC P2A00, P2A03 A/F SENSOR 1

EC-541

< SERVICE INFORMATION >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

3.

Disconnect mass air flow sensor harness connector.

4.

Restart engine and let it idle for at least 5 seconds.

5.

Stop engine and reconnect mass air flow sensor harness con-
nector.

6.

Make sure DTC P0102 is displayed.

7.

Erase the DTC memory. Refer to 

EC-55, "Emission-Related

Diagnostic Information"

.

8.

Make sure DTC P0000 is displayed.

>> GO TO 14.

14.

CONFIRM A/F ADJUSTMENT DATA

1.

Turn ignition switch OFF and then ON.

2.

Select “A/F ADJ-B1” and “A/F ADJ-B2” in “DATA MONITOR” mode with CONSULT-III.

3.

Make sure that “0.000” is displayed on CONSULT-III screen.

>> INSPECTION END

Removal and Installation

INFOID:0000000001326425

AIR FUEL RATIO (A/F) SENSOR 1

Refer to 

EM-26

.

PBIB1565E

EC-542

< SERVICE INFORMATION >

[VQ35DE]

ASCD BRAKE SWITCH

ASCD BRAKE SWITCH

Component Description

INFOID:0000000001326426

When the brake pedal is depressed, ASCD brake switch is turned
OFF and stop lamp switch is turned ON. ECM detects the state of
the brake pedal by this input of two kinds (ON/OFF signal).
Refer to 

EC-37

 for the ASCD function.

CONSULT-III Reference Value in Data Monitor Mode

INFOID:0000000001326427

Specification data are reference values.

PBIB1089E

MONITOR ITEM

CONDITION

SPECIFICATION

BRAKE SW 1
(ASCD brake switch)

• Ignition switch: ON

• Brake pedal: Fully released

ON

• Brake pedal: Slightly depressed

OFF

BRAKE SW 2
(Stop lamp switch)

• Ignition switch: ON

• Brake pedal: Fully released

OFF

• Brake pedal: Slightly depressed

ON

ASCD BRAKE SWITCH

EC-543

< SERVICE INFORMATION >

[VQ35DE]

C

D

E

F

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EC

N

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Wiring Diagram

INFOID:0000000001326428

Specification data are reference values and are measured between each terminal and ground.

CAUTION:

Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.

TBWM1411E

EC-544

< SERVICE INFORMATION >

[VQ35DE]

ASCD BRAKE SWITCH

Diagnosis Procedure

INFOID:0000000001326429

1.

CHECK OVERALL FUNCTION

 With CONSULT-III

1.

Turn ignition switch ON.

2.

Select “BRAKE SW1” in “DATA MONITOR” mode with CONSULT-III.

3.

Check “BRAKE SW1” indication under the following conditions.

 Without CONSULT-III

1.

Turn ignition switch ON.

2.

Check voltage between ECM terminal 108 and ground under the
following conditions.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 2.

2.

CHECK ASCD BRAKE SWITCH POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect ASCD brake switch harness connector.

3.

Turn ignition switch ON.

TER-

MI-

NAL 

NO.

WIRE 

COLOR

ITEM

CONDITION

DATA (DC Voltage)

101

P/L

Stop lamp switch

[Ignition switch: OFF]
• Brake pedal: Fully released

Approximately 0V

[Ignition switch: OFF]
• Brake pedal: Slightly depressed

BATTERY VOLTAGE
(11 - 14V)

108

SB

ASCD brake switch

[Ignition switch: ON]
• Brake pedal: Slightly depressed

Approximately 0V

[Ignition switch: ON]
• Brake pedal: Fully released

BATTERY VOLTAGE
(11 - 14V)

CONDITION

INDICATION

Brake pedal: Slightly depressed

OFF

Brake pedal: Fully released

ON

CONDITION

VOLTAGE

Brake pedal: Slightly depressed

Approximately 0V

Brake pedal: Fully released

Battery voltage

MBIB0061E

PBIB1605E

 

 

 

 

 

 

 

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