Infiniti G37 Coupe. Manual - part 1142

 

  Index      Infiniti     Infiniti G37 Coupe - service repair manual 2008 year

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  1140  1141  1142  1143   ..

 

 

Infiniti G37 Coupe. Manual - part 1142

 

 

B2601 SHIFT POSITION

SEC-65

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

3.

Check continuity between A/T device (detention switch) harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-79, "Removal and Installation"

.

NO

>> Repair harness or connector.

3.

CHECK A/T DEVICE CIRCUIT (BCM)

1.

Disconnect BCM connector M122 and IPDM E/R connector E6.

2.

Check continuity between A/T device (detention switch) harness connector and BCM harness connector.

3.

Check continuity between A/T device (detention switch) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

4.

CHECK A/T DEVICE CIRCUIT (IPDM E/R)

1.

Check continuity between A/T device (detention switch) harness connector and IPDM E/R harness con-
nector.

2.

Check continuity between A/T device (detention switch) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair harness or connector.

5.

CHECK A/T DEVICE

Refer to 

SEC-66, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6.

A/T device (detention switch)

BCM

Continuity

Connector

Terminal

Connector

Terminal

M137

10

M122

96

Existed

A/T device (detention switch)

Ground

Continuity

Connector

Terminal

M137

10

Ground

Not existed

A/T device

(detention switch)

BCM

Continuity

Connector

Terminal

Connector

Terminal

M137

11

M122

99

Existed

A/T device (detention switch)

Ground

Continuity

Connector

Terminal

M137

11

Ground

Not existed

A/T device

(detention switch)

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

M137

11

E6

43

Existed

A/T device

(detention switch)

Ground

Continuity

Connector

Terminal

M137

11

Ground

Not existed

SEC-66

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B2601 SHIFT POSITION

NO

>> Replace A/T device. Refer to 

TM-227, "Removal and Installation"

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

>> INSPECTION END.

Component Inspection

INFOID:0000000001699962

1.

CHECK A/T DEVICE (DETENTION SWITCH)

1.

Turn ignition switch OFF.

2.

Disconnect A/T device (detention switch) connector.

3.

Check continuity between A/T device (detention switch) terminals as follows.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace A/T device. Refer to 

TM-227, "Removal and Installation"

.

A/T device (detention switch)

Condition

Continuity

Connector

Terminal

M137

10

11

A/T selector lever

P position

Not existed

Other than above

Existed

B2602 SHIFT POSITION

SEC-67

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B2602 SHIFT POSITION

Description

INFOID:0000000001699963

BCM confirms the shift position with the following 4 signals.
• A/T selector lever
• P/N position switch
• P position signal from IPDM E/R (CAN)
• P position signal from TCM (CAN)

DTC Logic

INFOID:0000000001699964

DTC DETECTION LOGIC

NOTE:
• If DTC B2602 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-36, "DTC Logic"

.

• If DTC B2602 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-37, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Start the engine under the following conditions and wait for at least 10 seconds.

-

A/T selector lever is in the P or N position

-

Depress the brake pedal.

2.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-67, "Diagnosis Procedure"

.

NO

>> INSPECTION END.

Diagnosis Procedure

INFOID:0000000001699965

1.

CHECK DTC WITH “ABS ACTUATOR AND ELECTRIC UNIT”

Check “Self diagnostic result” with CONSULT-III. Refer to 

BRC-88, "DTC No. Index"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> repair or replace the malfunctioning parts.

2.

CHECK A/T DEVICE POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect A/T device (detention switch) connector.

3.

Check voltage between A/T device (detention switch) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2602

SHIFT POSITION

BCM detects the following status for 10 seconds.
• Shift position is in P position
• Vehicle speed is 4 km/h (2.5 MPH) or more
• Ignition switch is in the ON position

• Harness or connectors 

(A/T device circuit is open or short-
ed)

• A/T device (detention switch)
• ABS actuator and electric unit 

(control unit)

A/T device (detention switch)

Ground

Voltage [V]

Connector

Terminal

M137

10

Ground

Battery voltage

SEC-68

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B2602 SHIFT POSITION

3.

CHECK A/T DEVICE POWER SUPPLY CIRCUIT

1.

Disconnect BCM connector M122.

2.

Check continuity between A/T device (detention switch) harness connector and BCM harness connector.

3.

Check continuity between A/T device (detention switch) harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-79, "Removal and Installation"

.

NO

>> Repair harness or connector.

4.

CHECK A/T DEVICE CIRCUIT

1.

Disconnect BCM connector M122 and IPDM E/R connector E6.

2.

Check continuity between A/T device (detention switch) harness connector and BCM harness connector.

3.

Check continuity between A/T device (detention switch) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair harness or connector.

5.

CHECK A/T DEVICE

Refer to 

SEC-66, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace A/T device. Refer to 

TM-227, "Removal and Installation"

.

6.

CHECK INTERMITTETNT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

>> INSPECTION END.

A/T device (detention switch)

BCM

Continuity

Connector

Terminal

Connector

Terminal

M137

10

M122

96

Existed

A/T device (detention switch)

Ground

Continuity

Connector

Terminal

M137

10

Ground

No existed

A/T device (detention switch)

BCM

Continuity

Connector

Terminal

Connector

Terminal

M137

11

M122

99

Existed

A/T device (detention switch)

Ground

Continuity

Connector

Terminal

M137

11

Ground

No existed

 

 

 

 

 

 

 

Content   ..  1140  1141  1142  1143   ..