Nissan Primera P11. Instruction — part 109
MI & Data Link Connectors
Malfunction indicator (MI) circuit is monitored for open or short-
circuit. If the circuit is malfunctioning, MI can not report it but
CONSULT-II can.
Malfunction is detected when .
Check Items
(Possible cause)
●
MI circuit is open or shorted.
●
Harness or connectors
(MI circuit is open or shorted).
●
MI lamp
●
ECM
DIAGNOSTIC TROUBLE CONFIRMATION
PROCEDURE
1)
Turn ignition switch to “ON” position and select “DATA
MONITOR” mode with CONSULT-II.
2)
Start engine and run it for at least 2 seconds at idle
speed.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- OR --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
OVERALL FUNCTION CHECK
1)
Turn ignition switch to “ON” position.
2)
Check that MI lits on.
TROUBLE DIAGNOSES 19
CD20T
EC-141
YEC104A
TROUBLE DIAGNOSES 19
CD20T
MI & Data Link Connectors (Cont’d)
EC-142
DIAGNOSTIC PROCEDURE: MODELS BEFORE VIN -
P11U0548750
INSPECTION START
(MI circuit)
CHECK MI BULB.
1. Turn ignition switch to “LOCK” posi-
tion.
2. Disconnect combination meter har-
ness connector.
3. Apply battery voltage between com-
bination meter terminal
p
5
and
p
13
.
4. Check that MI lits on.
OK
E
NG
Replace MI bulb.
CHECK POWER SUPPLY.
1. Turn ignition switch to “ON” position.
2. Check voltage between combination
meter terminal
p
5
and body
ground.
Voltage: Battery voltage
OK
E
NG
Check the following:
●
Harness for open or
short-circuit between
combination meter and
ignition switch.
●
10A fuse
If NG, repair or replace
harness or fuse.
CHECK GROUND CIRCUIT.
1. Turn ignition switch to “LOCK” posi-
tion.
2. Disconnect ECM harness connector.
3. Check continuity between combina-
tion meter connector terminal
p
13
and ECM connector terminal
215
.
Continuity should exist.
If OK, check harness for short-cir-
cuit.
OK
E
NG
Check the following:
●
Harness connectors
M50
,
F104
If NG, repair harness or
connectors.
●
Harness and connec-
tors for open or short-
circuit between ECM
and combination meter.
Disconnect and reconnect harness
connectors in the circuit. Then retest.
Trouble is not fixed
Check ECM pin terminals for damage
and check the connection of ECM har-
ness connector. Reconnect ECM har-
ness connector and retest.
INSPECTION END
YEC380
Combination meter
harness connector
YEC381
Combination meter
harness connector
NEF222A
Combination meter
harness connector
H
H
H
H
H
H
TROUBLE DIAGNOSES 19
CD20T
MI & Data Link Connectors (Cont’d)
EC-143
DIAGNOSTIC PROCEDURE: MODELS AFTER VIN -
P11U0548750
INSPECTION START
(MI circuit)
CHECK MI DIODE.
1. Turn ignition switch to “LOCK” posi-
tion.
2. Disconnect combination meter har-
ness connector.
3. Apply battery voltage between com-
bination meter terminal
p
1
and
p
8
.
4. Check that MI lits on.
OK
E
NG
Repair or replace combi-
nation meter.
CHECK POWER SUPPLY.
1. Turn ignition switch to “ON” position.
2. Check voltage between combination
meter terminal
p
1
and body
ground.
Voltage: Battery voltage
OK
E
NG
Check the following:
●
Harness for open or
short-circuit between
combination meter and
ignition switch.
●
10A fuse
If NG, repair or replace
harness or fuse.
CHECK GROUND CIRCUIT.
1. Turn ignition switch to “LOCK” posi-
tion.
2. Disconnect ECM harness connector.
3. Check continuity between combina-
tion meter connector terminal
p
8
and ECM connector terminal
215
.
Continuity should exist.
If OK, check harness for short-cir-
cuit.
OK
E
NG
Check the following:
●
Harness connectors
M50
,
F104
If NG, repair harness or
connectors.
●
Harness and connec-
tors for open or short-
circuit between ECM
and combination meter.
Disconnect and reconnect harness
connectors in the circuit. Then retest.
Trouble is not fixed
Check ECM pin terminals for damage
and check the connection of ECM har-
ness connector. Reconnect ECM har-
ness connector and retest.
INSPECTION END
YEC121A
YEC122A
YEC123A
H
H
H
H
H
H
TROUBLE DIAGNOSES 19
CD20T
MI & Data Link Connectors (Cont’d)
EC-144
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