Infiniti EX35. Manual - part 1302

SEC-104

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B210C STARTER CONTROL RELAY

B210C STARTER CONTROL RELAY

Description

INFOID:0000000003586618

Starter control relay, integrated in IPDM E/R, permits the starter relay operation when in N or P position and
the steering is locked or unlocked. It is installed in parallel with the starter relay.

DTC Logic

INFOID:0000000003586619

DTC DETECTION LOGIC

NOTE:
• If DTC B210C is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-32, "BCM : DTC Logic"

.

• When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second), the DTC B210C may be

detected.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn the power supply position to start under the following conditions and wait for at least 1 second.

-

Selector lever is in the P or N position.

-

Do not depress brake pedal.

2.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-104, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003586620

1.

INSPECTION START

1.

Turn ignition switch ON.

2.

Check “Self diagnostic result” for IPDM E/R with CONSULT-III.

3.

Touch “ERASE”.

4.

Perform DTC Confirmation Procedure.
See 

SEC-104, "DTC Logic"

.

Is the DTC B210C displayed again?

YES

>> Replace IPDM E/R. Refer to 

PCS-34, "Removal and Installation"

.

NO

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B210C

START CONT RLY OFF

IPDM E/R detects that the relay is stuck at OFF position 
even if the followings condition are met for about 1 sec-
ond.
• Starter control relay ON/OFF signal from BCM
• Park neutral position (PNP) switch input signal

• IPDM E/R
• Battery

B210D STARTER RELAY

SEC-105

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

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SEC

N

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B210D STARTER RELAY

Description

INFOID:0000000003586621

Located in IPDM E/R, it runs the starter motor. The starter relay is turned ON by the BCM when the ignition
switch is in START position. IPDM E/R transmits the starter relay ON signal to BCM via CAN communication.

DTC Logic

INFOID:0000000003586622

DTC DETECTION LOGIC

NOTE:
• If DTC B210D is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-32, "BCM : DTC Logic"

.

• If DTC B210D is displayed with DTC B2617, first perform the trouble diagnosis for DTC B2617. Refer to

SEC-90, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Ignition switch ON under the following conditions and wait for at least 1 second.

-

Selector lever is in the P or N position.

-

Do not depress brake pedal.

2.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-105, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003586623

1.

INSPECTION START

1.

Turn ignition switch ON.

2.

Check “Self diagnostic result” for IPDM E/R with CONSULT-III.

3.

Touch “ERASE”.

4.

Perform DTC Confirmation Procedure.
See 

SEC-105, "DTC Logic"

.

Is the DTC B210D displayed again?

YES

>> Replace IPDM E/R. Refer to 

PCS-34, "Removal and Installation"

.

NO

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B210D

STARTER RELAY ON

IPDM E/R detects that the relay is stuck at ON position 
even if the followings condition are met for about 1 sec-
ond.
• Starter control relay ON/OFF signal from BCM
• Park neutral position (PNP) switch input

IPDM E/R

SEC-106

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B210E STARTER RELAY

B210E STARTER RELAY

Description

INFOID:0000000003586624

Located in IPDM E/R, it runs the starter motor. The starter relay is turned ON by the BCM when the ignition
switch is in START position. IPDM E/R transmits the starter relay ON signal to BCM via CAN communication.

DTC Logic

INFOID:0000000003586625

DTC DETECTION LOGIC

NOTE:
• If DTC B210E is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-32, "BCM : DTC Logic"

.

• If DTC B210E is displayed with DTC B2110 for IPDM E/R, first perform the trouble diagnosis for DTC B2110.

Refer to 

SEC-106, "DTC Logic"

.

• If DTC B210E is displayed with DTC B2617 for BCM, first perform the trouble diagnosis for DTC B2617.

Refer to 

SEC-90, "DTC Logic"

.

• When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second), the DTC B210F may be

detected.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

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

-

Selector lever is in the P or N position.

-

Do not depress brake pedal.

2.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-106, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003586626

1.

CHECK STARTER RELAY OUTPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector M121.

3.

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK STARTER RELAY OUTPUT SIGNAL CIRCUIT

1.

Disconnect IPDM E/R connector E6.

2.

Check continuity between BCM harness connector and IPDM E/R harness connector.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B210E

STARTER RELAY OFF

IPDM E/R detects that the relay is stuck at OFF position even if the 
followings condition are met for about 1 second.
• Starter control relay ON/OFF signal from BCM
• Park neutral position (PNP) switch input

• IPDM  E/R
• Battery

(+)

(–)

Condition

Voltage (V)

(Approx.)

BCM connector

Connector

Terminal

Ignition switch

Brake pedal

Selector lever

M121

52

Ground

ON

Depressed

P or N

Battery voltage

Other than 

above

0

B210E STARTER RELAY

SEC-107

< 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 BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-34, "Removal and Installation"

.

NO

>> Repair or replace harness or connector.

3.

CHECK STARTER RELAY POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector E5.

3.

Check voltage between IPDM E/R harness connector and ground.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-34, "Removal and Installation"

.

NO

>> Check harness for open or short between IPDM E/R and battery. Refer to 

SEC-184, "Wiring Dia-

gram - IPDM E/R -"

.

BCM

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

M121

52

E6

46

Existed

BCM

Ground

Continuity

Connector

Terminal

M121

52

Not existed

(+)

(–)

Voltage (V)

(Approx.)

IPDM E/R

Connector

Terminal

E5

36

Ground

Battery voltage