Nissan Primera P12. Instruction — part 269
DTC P0686 ECM RELAY
EC-261
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
WITH GST
Follow the procedure “WITH CONSULT-II” above.
EC-262
[YD (WITH EURO-OBD)]
DTC P0686 ECM RELAY
Wiring Diagram
EBS013QG
MBWA0648E
DTC P0686 ECM RELAY
EC-263
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
Diagnostic Procedure
EBS013QH
1.
CHECK ECM OUTPUT SIGNAL CIRCUIT FOR SHORT TO GROUND
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check harness continuity between ECM terminals 105, 113 and ground.
Refer to Wiring Diagram.
OK or NG
OK
>> GO TO 2.
NG
>> Repair short to ground in harness or connectors.
2.
CHECK ECM INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Disconnect ECM relay.
2.
Check harness continuity between ECM terminals 119, 120 and
ECM relay terminal 7. Refer to Wiring Diagram.
3.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 3.
NG
>> Repair open circuit or short to ground or short to power
in harness or connectors.
3.
CHECK ECM RELAY
Refer to
EC-263, "Component Inspection"
.
OK or NG
OK
>> GO TO 4.
NG
>> Replace ECM relay.
4.
CHECK INTERMITTENT INCIDENT
Refer to
EC-75, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"
.
>> INSPECTION END
Component Inspection
EBS013QI
ECM RELAY
1.
Apply 12V direct current between ECM relay terminals 1 and 2.
2.
Check continuity between relay terminals 3 and 5, 6 and 7.
3.
If NG, replace ECM relay.
Continuity should not exist.
Continuity should exist.
MBIB1086E
Condition
Continuity
12V direct current supply between ter-
minals 1 and 2
Yes
OFF
No
PBIB0077E
EC-264
[YD (WITH EURO-OBD)]
DTC P1211 TCS CONTROL UNIT
DTC P1211 TCS CONTROL UNIT
PFP:47850
Description
EBS013QJ
The malfunction information related to TCS is transferred through the CAN communication line from ESP/
TCS/ABS control unit to ECM.
Be sure to erase the malfunction information such as DTC not only for ESP/TCS/ABS control unit but
also for ECM after TCS related repair.
On Board Diagnosis Logic
EBS013QK
This self-diagnosis has the one trip detection logic.
The MI will not light up for this self-diagnosis.
DTC Confirmation Procedure
EBS013QL
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-II
1.
Turn ignition switch ON.
2.
Select “DATA MONITOR” mode with CONSULT-II.
3.
Wait at least 5 seconds.
4.
If DTC is detected, go to
EC-264, "Diagnostic Procedure"
.
WITH GST
Folow the procedure “WITH CONSLT-II” above.
Diagnostic Procedure
EBS013QM
Go to
(models with ESP system) or
(models without ESP system).
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1211
TCS control unit
ECM receives a malfunction information from
ESP/TCS/ABS control unit.
●
ESP/TCS/ABS control unit
●
TCS related parts
SEF817Y
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