Infiniti G35 (V35) Sedan. Manual - part 1001

PCS-58

< COMPONENT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

B2615 BLOWER RELAY CIRCUIT

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair harness or connector.

3.

CHECK BLOWER RELAY GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between blower relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair blower relay ground circuit.

4.

CHECK BLOWER RELAY POWER SUPPLY CIRCUIT-2

Check voltage between blower relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Check continuity open or short between blower relay and battery.

5.

CHECK BLOWER RELAY

Refer to 

PCS-58, "Component Inspection (Blower Relay)"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace blower relay.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection (Blower Relay)

INFOID:0000000000964230

1.

CHECK BLOWER RELAY

1.

Turn ignition switch OFF.

2.

Remove blower relay.

Blower relay

Ground

Continuity

Terminal

1

Ground

Not existed

Blower relay

Ground

Continuity

Terminal

2

Ground

Existed

Blower relay

Ground

Voltage (V)

Terminal

5

Ground

Battery voltage

PCS

B2615 BLOWER RELAY CIRCUIT

PCS-59

< COMPONENT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

3.

Check the continuity between blower relay terminals under the
following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace blower relay

Terminals

Condition

Continuity

3 and 5

12V direct current supply between terminals 1 and 2

Existed

No current supply

Not existed

PBIB0098E

PCS-60

< COMPONENT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

B2616 IGNITION RELAY CIRCUIT

B2616 IGNITION RELAY CIRCUIT

Description

INFOID:0000000000964231

BCM controls the various electrical components and simultaneously supplies power according to the power
supply position.
BCM checks the power supply position internally.

DTC Logic

INFOID:0000000000964232

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON under the following conditions, and wait for at least 1 second.

-

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

-

Release brake pedal 

2.

Check “Self diagnostic result” with CONSULT-III. 

Is DTC detected?

YES

>> Go to 

PCS-60, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000000964233

1.

CHECK IGNITION RELAY POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect ignition relay.

3.

Check voltage between ignition relay harness connector and ground under the following conditions.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK IGNITION RELAY POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM harness connector M122.

3.

Check continuity between ignition relay harness connector and BCM harness connector.

4.

Check continuity between blower relay harness connector and ground.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2616

Ignition relay circuit

An immediate operation of ignition relay (fuse 
block) is requested by BCM, but there is no re-
sponse for more than 1 second

• Harness or connectors 

(Ignition relay circuit is open or 
shorted)

• Ignition relay (Fuse block)

Ignition relay

Ground

Condition

Voltage (V)

Terminal

1

Ground

Ignition switch OFF or ACC

0

Ignition switch ON

Battery voltage

Blower relay

BCM

Continuity

Terminal

Connector

Terminal

1

M122

82

Existed

PCS

B2616 IGNITION RELAY CIRCUIT

PCS-61

< COMPONENT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair harness or connector.

3.

CHECK BLOWER RELAY GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between blower relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair ignition relay ground circuit.

4.

CHECK IGNITION RELAY POWER SUPPLY CIRCUIT-2

Check voltage between ignition relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Check continuity open or short between ignition relay and battery.

5.

CHECK IGNITION RELAY

Refer to 

PCS-61, "Component Inspection (Ignition Relay)"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace ignition relay.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection (Ignition Relay)

INFOID:0000000000964234

1.

CHECK IGNITION RELAY

1.

Turn ignition switch OFF.

2.

Remove ignition relay.

Ignition relay

Ground

Continuity

Terminal

1

Ground

Not existed

Ignition relay

Ground

Continuity

Terminal

2

Ground

Existed

Ignition relay

Ground

Voltage (V)

Terminal

5

Ground

Battery voltage