Nissan Frontier D22. Manual — part 194
TROUBLE DIAGNOSIS
BRC-107
[VDC/TCS/ABS]
C
D
E
G
H
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K
L
M
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
. 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
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"
LAN SIGNAL 2 - LAN Communication Start Procedure Incomplete"
and
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
I
J
K
L
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"
LAN SIGNAL 2 - LAN Communication Start Procedure Incomplete"
and
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
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