Nissan Primera P11. Manual — part 105
Glow plug
1. Remove glow plug connecting plate.
2. Check each glow plug for continuity.
Continuity should exist:
Approximately 0.5
Ω
[at 25°C (77°F)]
●
If NG, replace glow plug.
3. Install glow plug connecting plate securely.
●
Do not bump glow plug heating element. If it is bumped,
replace glow plug with new one. (If glow plug is dropped
from a height of 0.1 m (3.94 in) or greater, replace with
new one.)
●
If glow plug installation hole is contaminated with
carbon, remove using a reamer or suitable tool.
●
Hand-tighten glow plug by turning it 2 to 3 times, then
tighten using a tool to specified torque.
: 15 - 20 N·m (1.5 - 2.0 kg-m, 11 - 14 ft-lb)
SEF630K
Ohmmeter
SEC565B
Glow nut
Glow harness
Connecting
plate
Washer
Spring washer
Glow plug
TROUBLE DIAGNOSES 14
CD20T
Glow Control System (Cont’d)
EC-125
Air Conditioner Cut Control
The Air Conditioner relay is controlled by the ECM. During the
following conditions, the ECM will cut the power supply towards
the air conditioner relay:
●
Starting engine
●
Quick acceleration from low speed
●
Undershooting of idle speed
●
High engine coolant temperature [above 107°C (225°F)].
●
Malfunctioning of engine speed sensor, accelerator position
sensor or vehicle speed sensor when engine speed is below
2,100 rpm.
Malfunction is detected when .
Check Items
(Possible cause)
●
Air conditioner relay signal circuit is shorted.
●
Harness or connectors
(The air conditioner relay signal circuit is shorted).
●
Air conditioner relay
DIAGNOSTIC TROUBLE CONFIRMATION
PROCEDURE
1)
Turn ignition switch and air conditioner switch to the
“ON” position.
2)
Select “DATA MONITOR” mode with CONSULT-II.
3)
Wait at least 2 seconds.
TROUBLE DIAGNOSES 15
CD20T
EC-126
YEC813
IGNITION SWITCH
ON or START
FUSE
BLOCK
(J/B)
Refer to EL-POWER.
: Detectable line for DTC
: Non-detectable line for DTC
AIR CONDITIONER
RELAY
To compressor
(Refer to HA-A/C.)
A/C
CONTROL
PANEL
LOW
HIGH
NORMAL
TRIPLE-
PRESSURE
SWITCH
THERMISTOR
THERMO
CONTROL
AMP.
ECM
REFER TO THE FOLLOWING
FUSE BLOCK - Junction Box (J/B)
FUSE BLOCK - Junction Box (J/B)
TROUBLE DIAGNOSES 15
CD20T
Air Conditioner Cut Control (Cont’d)
EC-127
INSPECTION START
(Air conditioner relay signal circuit)
CHECK POWER SUPPLY.
1. Turn ignition switch to “LOCK” posi-
tion.
2. Disconnect air conditioner relay har-
ness connector.
3. Turn ignition switch to “ON” position.
4. Check voltage between air condi-
tioner relay connector terminals
p
2
,
p
5
and engine ground.
Voltage: Battery voltage
OK
E
NG
Check the following:
●
Harness and connec-
tors for open or short-
circuit between ignition
switch and air condi-
tioner relay.
●
10A fuse
If NG, replace or repair
the parts affected.
CHECK GROUND CIRCUIT.
1. Turn ignition switch to “LOCK” posi-
tion.
2. Disconnect ECM harness connector.
3. Check harness continuity between
ECM harness connector terminal
204
and air conditioner relay har-
ness connector terminal
p
1
.
Continuity should exist.
If OK, check harness for short-cir-
cuit.
OK
E
NG
Check the following:
●
Harness connectors
E43
,
F2
●
Harness for open or
short-circuit between
ECM and air condi-
tioner relay.
If NG, repair harness or
connectors.
CHECK AIR CONDITIONER RELAY.
Refer to HA section for inspection.
OK
E
NG
Replace air conditioner
relay.
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
YEC375
Air conditioner relay
harness connector
Air conditioner relay
harness connector
NEF218A
H
H
H
H
H
H
TROUBLE DIAGNOSES 15
CD20T
Air Conditioner Cut Control (Cont’d)
EC-128
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