Infiniti FX35, FX50 (S51). Manual - part 1673

B210B STARTER CONTROL RELAY

SEC-105

< DTC/CIRCUIT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

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B210B STARTER CONTROL RELAY

Description

INFOID:0000000005249545

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

DTC Logic

INFOID:0000000005249546

DTC DETECTION LOGIC

NOTE:
If DTC B210B is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to 

SEC-

31, "IPDM E/R : DTC Logic"

.

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-105, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005249547

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 B210B displayed again?

YES

>> Replace IPDM E/R. Refer 

PCS-34, "Removal and Installation"

.

NO

>> INSPECTION END

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B210B

START CONT RLY 
ON

IPDM E/R detects that the relay is stuck in the ON 
position even if the followings conditions are met for 
about 1 second.
• Starter control relay ON/OFF signal from BCM
• Transmission range switch input signal

IPDM E/R

SEC-106

< DTC/CIRCUIT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B210C STARTER CONTROL RELAY

B210C STARTER CONTROL RELAY

Description

INFOID:0000000005249548

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

DTC Logic

INFOID:0000000005249549

DTC DETECTION LOGIC

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

SEC-31, "IPDM E/R : 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-106, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005249550

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-106, "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 in the OFF po-
sition even if the followings conditions are met for about 
1 second.
• Starter control relay ON/OFF signal from BCM
• Transmission range switch input signal

• IPDM E/R
• Battery

B210D STARTER RELAY

SEC-107

< DTC/CIRCUIT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

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B

SEC

N

O

P

B210D STARTER RELAY

Description

INFOID:0000000005249551

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 the START position. IPDM E/R transmits the starter relay ON signal to BCM via CAN communica-
tion.

DTC Logic

INFOID:0000000005249552

DTC DETECTION LOGIC

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

SEC-31, "IPDM E/R : DTC Logic"

.

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

SEC-92, "DTC 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.

-

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-107, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005249553

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-107, "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 in the ON posi-
tion even if the followings condition are met for about 1 
second.
• Starter control relay ON/OFF signal from BCM
• Transmission range switch input

IPDM E/R

SEC-108

< DTC/CIRCUIT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B210E STARTER RELAY

B210E STARTER RELAY

Description

INFOID:0000000005249554

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 the START position. IPDM E/R transmits the starter relay ON signal to BCM via CAN communica-
tion.

DTC Logic

INFOID:0000000005249555

DTC DETECTION LOGIC

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

SEC-31, "IPDM E/R : 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-112, "DTC Logic"

.

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

Refer to 

SEC-92, "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-108, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005249556

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 in the OFF position even if 
the followings conditions are met for about 1 second.
• Starter control relay ON/OFF signal from BCM
• Transmission range 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