Nissan Almera Tino V10. Manual — part 545
EC-1006
[YD (WITH EURO-OBD)]
MAIN POWER SUPPLY AND GROUND CIRCUIT
5.
CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT
1.
Disconnect ECM harness connector.
2.
Check harness continuity between ECM terminals 1, 2, 3, 114 and body ground.
Refer to Wiring Diagram.
3.
Also check harness for short to power.
OK or NG
OK
>> GO TO 7.
NG
>> GO TO 6.
6.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors M71, F45
●
Harness for open or short between ECM and body ground
>> Repair open circuit or short to power in harness or connectors.
7.
CHECK ECM POWER SUPPLY CIRCUIT-II
1.
Reconnect ECM harness connector.
2.
Turn ignition switch ON and then OFF.
3.
Check voltage between ECM terminals 119, 120 and ground
with CONSULT-II or tester.
OK or NG
OK
>> GO TO 13.
NG (Battery voltage does not exist)>>GO TO 8.
NG (Battery voltage exists for more then a few seconds)>>GO TO
10.
Continuity should exist.
Voltage:
After turning ignition switch OFF, battery
voltage will exist for a few seconds, then
drop to approximately 0V.
MBIB0611E
MAIN POWER SUPPLY AND GROUND CIRCUIT
EC-1007
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
8.
CHECK ECM POWER SUPPLY CIRCUIT-III
1.
Disconnect ECM relay.
2.
Check voltage between relay terminals 1, 6 and ground with
CONSULT-II or tester.
OK or NG
OK
>> GO TO 10.
NG
>> GO TO 9.
9.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors E105, M10
●
20A fuse
●
Harness for open or short between ECM relay and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
10.
CHECK OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Disconnect ECM relay.
2.
Disconnect ECM harness connector.
3.
Check harness continuity between ECM terminals 105, 113 and
ECM relay terminal 2. Refer to Wiring Diagram.
4.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 11.
NG
>> Repair open circuit or short to ground or short to power
in harness or connectors.
MBIB0922E
Voltage: Battery voltage
PBIB0359E
Continuity should exist.
MBIB0922E
EC-1008
[YD (WITH EURO-OBD)]
MAIN POWER SUPPLY AND GROUND CIRCUIT
11.
CHECK ECM POWER SUPPLY CIRCUIT-IV
1.
Check harness continuity between ECM terminals 119, 120 and ECM relay terminal 7.
Refer to Wiring Diagram.
2.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 12.
NG
>> Repair open circuit or short to ground or short to power in harness or connectors.
12.
CHECK ECM RELAY
Refer to
EC-1009, "Component Inspection"
.
OK or NG
OK
>> GO TO 13.
NG
>> Replace ECM relay.
13.
CHECK ECM POWER SUPPLY CIRCUIT-V
Check voltage between ECM terminal 121 and ground with CON-
SULT-II or tester.
OK or NG
OK
>> GO TO 15.
NG
>> GO TO 14.
14.
DETECT MALFUNCTIONING PART
Check the following.
●
20A fuse
●
Harness connectors E105, M10
●
Harness for open or short between ECM and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
15.
CHECK GROUND CONNECTIONS
1.
Turn ignition switch OFF.
2.
Loosen and retighten body ground screw. Refer to
.
OK or NG
OK
>> GO TO 16.
NG
>> Repair or replace ground connection.
Continuity should exist.
Voltage: Battery voltage
MBIB0026E
MBIB0915E
MAIN POWER SUPPLY AND GROUND CIRCUIT
EC-1009
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
16.
CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT
1.
Check harness continuity between ECM terminals 1, 2, 3, 114 and body ground.
Refer to Wiring Diagram.
2.
Also check harness for short to power.
OK or NG
OK
>> GO TO 17.
NG
>> Repair open circuit or short to power in harness or connectors.
17.
CHECK INTERMITTENT INCIDENT
Refer to
EC-1002, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"
.
>> INSPECTION END
Component Inspection
EBS0138O
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 exist.
Condition
Continuity
12V direct current supply between terminals
1 and 2
Yes
OFF
No
PBIB0077E
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст