Nissan Frontier D22. Manual - part 194

TROUBLE DIAGNOSIS

BRC-107

[VDC/TCS/ABS]

C

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A

B

BRC

3. 

CHECKING CONNECTORS AND HARNESS BETWEEN ABS ACTUATOR AND ELECTRIC UNIT 

(CONTROL UNIT) AND CAN-LAN CONVERTER

1.

Turn ignition switch OFF. Disconnect battery ground cable.

2.

Disconnect ABS actuator and electric unit (control unit) harness connector and CAN-LAN converter har-
ness connector.

3.

Check continuity between ABS actuator and electric unit (con-
trol unit) harness connector E39 and CAN-LAN converter har-
ness connector M147.

4.

Check all control unit and sensor connectors. (Check for missing, bent, or collapsed terminals in terminal
housing.)

Is inspection result OK?

OK

>> GO TO 4.

NG

>> Harness connector malfunction. Repair or replace. GO TO 4.

4. 

CHECKING SELF-DIAGNOSIS RESULTS (2)

1.

Connect connectors to all control units and sensors.

2.

Connect battery negative terminal. Turn ignition switch ON.

3.

Erase self-diagnosis results. Then start engine and perform self-diagnosis.

Does only “ST ANGLE SEN COM CIR” appear on self-diagnosis results display?

YES

>> Replace steering angle sensor (built into spiral cable). Refer to 

SRS-42, "DRIVER AIR BAG

MODULE AND SPIRAL CABLE"

 . Then perform adjustment of neutral position and perform self-

diagnosis again. Refer to 

BRC-55, "Adjustment of Steering Angle Sensor Neutral Position"

 .

NO

>> GO TO 5.

5. 

CAN COMMUNICATION SYSTEM CHECK

Select “CAN DIAG SUPPORT MNTR” of data monitor items.

>> Print out monitor items. Then refer to 

BRC-60, "CAN COMMUNICATION"

 .

Inspection 13 ENGINE SIGNAL 1 - Engine System

EFS003IK

DTC C1130

ABS actuator and electric 

unit (control unit)

(Harness connector E39)

CAN-LAN 
converter

(Harness 

connector 

M147)

Continuity

11 (OR/L)

5 (OR/L)

Yes

15 (R/B)

7 (R/B)

Yes

LFIA0195E

Normal

Error (example)

CAN COMM: OK

CAN COMM: OK

CAN CIRC 1: OK

CAN CIRC 1: UNKWN

CAN CIRC 2: UNKWN

CAN CIRC 2: UNKWN

CAN CIRC 3: UNKWN

CAN CIRC 3: UNKWN

CAN CIRC 4: UNKWN

CAN CIRC 4: UNKWN

CAN CIRC 5: OK

CAN CIRC 5: UNKWN

CAN CIRC 6: UNKWN

CAN CIRC 6: UNKWN

CAN CIRC 7: UNKWN

CAN CIRC 6: UNKWN

CAN CIRC CLC: OK

CAN CIRC CLC: UNKWN

BRC-108

[VDC/TCS/ABS]

TROUBLE DIAGNOSIS

Inspection Procedure

1. 

CHECKING SELF-DIAGNOSIS RESULTS (1)

Check self-diagnosis results.

Do self-diagnosis results indicate anything other than the above?

YES

>> Perform repair or replacement for the item indicated.

NO

>> GO TO 2.

2. 

CHECK ENGINE SYSTEM

1.

Perform self-diagnostic procedures for ECM.

*1: Out of ECM diagnostic items, the 7 items listed above cause VDC to be suspended (VDC OFF and SLIP indicators ON) and
allow ABS actuator and electric unit (control unit) to indicate "ENGINE SIGNAL 1".

Do any of the above self-diagnostic items appear on the display?

YES

>> Refer to EC Section.

NO

>> GO TO 3.

3. 

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) TO ECM CIRCUIT

Do “ECM — ABSTCS COMM NG” and/or "ABS-TCS C/U SIGNAL" (ECM self-diagnostic items)*2 appear on
display?
*2: Items which cause VDC to be suspended (VDC OFF and SLIP indicators ON) and allow ABS actuator and
electric unit (control unit) to indicate "ENGINE CHECK SIG".

YES

>> Refer to 

BRC-110, "Inspection 15 ENG CHECK SIG - LAN Monitoring"

 , 

BRC-111, "Inspection 16

LAN SIGNAL 2 - LAN Communication Start Procedure Incomplete"

  and 

BRC-112, "Inspection 17

LAN COMM 1 - LAN Communication System Failure"

 .

NO

>> GO TO 4.

4. 

CHECK SELF-DIAGNOSTIC ITEMS

Check self-diagnostic items.

Do any other ECM self-diagnostic items appear?

YES

>> Refer to EC Section.

NO

>> Inspection end.

Inspection 14 ENG SPEED SIG - Engine Speed Signal

EFS003IL

DTC C1168

Self-diagnosis results

CONSULT-II display items

ENGINE SIGNAL 1

Self-diagnosis results

CONSULT-II display items

P0101, P0102 MAF SENSOR*1

P0117, P0118 ECT SENSOR*1

P0121, P0122, P0123 TP SENSOR*1

P0125 ECT SENSOR*1

P0605 ECM*1

P1336 CKP SENSOR (COG)*1

IGNITION SIGNAL*1

TROUBLE DIAGNOSIS

BRC-109

[VDC/TCS/ABS]

C

D

E

G

H

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J

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M

A

B

BRC

1. 

INSPECTION START

Check self-diagnosis results.

Do self-diagnosis results indicate anything other than the above?

YES

>> Perform repair or replacement for the item indicated.

NO

>> GO TO 2.

2. 

CHECK ENGINE SYSTEM

1.

Perform self-diagnostic procedures for ECM.

*1: Out of ECM diagnostic items, only P1336 CKP SENSOR (COG) causes VDC to be suspended (VDC OFF and SLIP indicators
ON) and allow ABS actuator and electric unit (control unit) to indicate "ENGINE SPEED SIG".

Does the above self-diagnostic item appear on the display?

YES

>> Refer to EC Section.

NO

>> GO TO 3.

3. 

CHECK CAN-LAN CONVERTER (CLC) TO ECM CIRCUIT

Do  “ECM-ABS/TCS/VDC COMM NG” and/or "ABS/TCS/VDC C/U SIGNAL" (ECM self-diagnostic items)*2
appear on  display?
*2: Items which cause VDC to be suspended (VDC OFF and SLIP indicators ON) and allow ABS actuator and
electric unit (control unit) to indicate "ENGINE CHECK SIG".

YES

>> Refer to 

BRC-110, "Inspection 15 ENG CHECK SIG - LAN Monitoring"

 , 

BRC-111, "Inspection 16

LAN SIGNAL 2 - LAN Communication Start Procedure Incomplete"

  and 

BRC-112, "Inspection 17

LAN COMM 1 - LAN Communication System Failure"

 .

NO

>> GO TO 4.

4. 

CHECK CONNECTORS

1.

Disconnect CLC connector and ECM connector.

2.

Check for terminal separation, looseness or bending, etc. at connector housing. If necessary, repair faulty
terminals. Then reconnect them securely.

3.

Perform self-diagnosis again.

Do any self-diagnosis items appear?

YES

>> GO TO 5.

NO

>>

●

Check harness connectors M147, F29

●

Check harness for open or short between ECM connector and CLC connector
If NG, repair harness or connectors.

Self-diagnosis results

CONSULT-II display items

ENGINE SPEED SIG

Self-diagnosis results

CONSULT-II display items

P1336 CKP SENSOR (COG)*1

BRC-110

[VDC/TCS/ABS]

TROUBLE DIAGNOSIS

5. 

CHECK LAN CIRCUIT

1.

Disconnect CAN-LAN converter (CLC) connector and ECM connector.

2.

Check continuity between CLC connector M147 terminal 14 (P/L) and ECM connector terminal 68 (W/G).

OK or NG?

OK

>> Connect connectors and repeat self-diagnosis. Repair or replace.

NG

>> Repair harness or connectors.

Inspection 15 ENG CHECK SIG - LAN Monitoring

EFS003IM

DTC C1171

1. 

INSPECTION START

Check self-diagnosis results.

Do self-diagnosis results indicate anything other than the above?

YES

>> Perform repair or replacement for the item indicated.

NO

>> GO TO 2.

2. 

CHECK ENGINE SYSTEM

1.

Perform self-diagnostic procedures for ECM.

Does the above self-diagnostic item appear on the display?

YES

>> GO TO 6.

NO

>> GO TO 3.

3. 

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS (1)

Does ”LAN COMM 1" appear on  display?

YES

>> GO TO 4.

NO

>> Replace CLC. Refer to 

BRC-131, "CAN-LAN Converter (CLC)"

 .

Continuity should exist.

LFIA0156E

Self-diagnosis results

CONSULT-II display items

ENG CHECK SIG

LFIA0157E

Self-diagnosis results

CONSULT-II display items

CAN-LAN CONVERTER COMM NG