Nissan Primera P11. Manual — part 110
Start Signal
YEC817
BATTERY
Refer to EL-POWER.
: Detectable line for DTC
: Non-detectable line for DTC
IGNITION
SWITCH
FUSE
BLOCK
(J/B)
ECM
REFER TO THE FOLLOWING
FUSE BLOCK - Junction Box (J/B)
FUSE BLOCK - Junction Box (J/B)
OFF
ST
ACC
ON
Refer to EL-POWER.
TROUBLE DIAGNOSES 20
CD20T
EC-145
DIAGNOSTIC PROCEDURE
INSPECTION START
CHECK OVERALL FUNCTION.
1. Turn ignition switch to “ON”
position.
2. Check “START SIGNAL” in
“DATA MONITOR” mode with
CONSULT-II.
---------------------------------------------------------------------------------------------------------------------------------------- OR ----------------------------------------------------------------------------------------------------------------------------------------
1. Turn ignition switch to the
“LOCK” position.
2. Disconnect ECM harness con-
nector.
3. Turn ignition switch to “START”
position.
4. Check voltage between ECM
connector terminal
422
and
ground.
Voltage:
Ignition switch “START” —
Battery voltage
Except above —
Approximately 0V
NG
E
OK
INSPECTION END
Check if 10A fuse is OK.
OK
E
NG
Replace 10A fuse.
CHECK INPUT SIGNAL CIRCUIT.
1) Turn ignition switch to “LOCK” posi-
tion.
2) Disconnect 10A fuse.
3) Check harness continuity between
ECM connector terminal
422
and
fuse block.
Continuity should exist.
If OK, check harness for short-circuit.
OK
E
NG
Check the following:
●
Harness or connec-
tors
M50
,
F104
●
Harness for open or
short-circuit between
ECM and fuse block.
If NG, repair harness
or connectors.
Disconnect and reconnect harness con-
nectors 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 harness
connector and retest.
INSPECTION END
IGN “ON”
OFF
IGN “START”
ON
C2DMM04
NEF223A
NEF224A
Fuse
H
H
H
H
H
H
TROUBLE DIAGNOSES 20
CD20T
Start Signal (Cont’d)
EC-146
General Specifications
Unit : rpm
Engine
CD20T
Maximum engine speed
5,400
Idle speed
A/C ON
825 ± 25
A/C OFF
825 ± 25
Pump numbers
Engine
Part number
Pump assembly
number
CD20T
16700 2J620
NP-VE4/
10E2200L736
Pump data is not yet available.
Refer to CALIBRATION STANDARD published
by BOSCH.)
Injection Nozzle
INSPECTION AND ADJUSTMENT
Injection nozzle assembly
Unit: kPa (bar, kg/cm
2
, psi)
Initial injection pressure
New
14,423 - 15,651 (144.2 - 156.5,
148 - 159, 2,091 - 2,269)
Used
15,000 - 16,000 (150.0 - 160.0,
153 - 163, 2,175 - 2,320)
Inspection and Adjustment
Plunger lift
mm (in)
(Injection timing)
0.89 ± 0.08
at plunger lift timing mark
MASS AIR FLOW SENSOR
Supply voltage
V
5.0V
Output voltage
V
1.9 - 2.3*
*: Engine is warmed up sufficiently and idling under no-load.
ENGINE COOLANT TEMPERATURE
SENSOR
Temperature °C (°F)
Resistance k
Ω
20 (68)
2.1 - 2.9
50 (122)
0.68 - 1.00
90 (194)
0.236 - 0.260
CONTROL SLEEVE POSITION SENSOR
Resistance [at 25°C (77°F)]
Ω
6.0
INJECTION TIMING CONTROL VALVE
Resistance [at 25°C (77°F)]
Ω
Approximately 15
ELECTRIC GOVERNOR
Resistance [at 25°C (77°F)]
Ω
1.0
CRANKSHAFT POSITION SENSOR (TDC)
Resistance [at 25°C (77°F)]
Ω
Approximately 1,215 - 1,485
GLOW PLUG
Resistance [at 25°C (77°F)]
Ω
0.5
ACCELERATOR POSITION SENSOR
Throttle valve conditions
Resistance k
Ω
[at 25°C (77°F)]
Completely closed
Approximately 1.2
Partially open
1.2 - 1.9
Completely open
Approximately 1.9
FUEL TEMPERATURE SENSOR
Temperature °C (°F)
Resistance k
Ω
25 (77)
Approximately 1.9
SERVICE DATA AND SPECIFICATIONS (SDS)
CD20T
EC-147
NOTE
SERVICE DATA AND SPECIFICATIONS (SDS)
CD20T
EC-148
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