Nissan Silvia. Manual - part 144
TERMI-
NAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
30
B/Y
Camshaft position sen-
sor (Position signal)
[Engine is running]
I
Warm-up condition
I
Idle speed
Approximately 2.5V
SEC364C
[Engine is running]
I
Engine speed is 2,000 rpm
Approximately 2.4V
SEC365C
On Board Diagnosis Logic
NMEC0666
DTC No.
Malfunction is detected when ...
Check Items (Possible Cause)
0101
A)
Either 1° or 180° signal is not sent to ECM for the
first few seconds during engine cranking.
I
Harness or connectors
(The camshaft position sensor circuit is open or
shorted.)
I
Camshaft position sensor
I
Starter motor (Refer to SC-12, “STARTING
SYSTEM”.)
I
Starting system circuit (Refer to SC-12,
“STARTING SYSTEM”.)
I
Dead (Weak) battery
B)
Either 1° or 180° signal is not sent to ECM often
enough while the engine speed is higher than the
specified engine speed.
C)
The relation between 1° and 180° signal is not in
the normal range during the specified engine
speed.
DTC Confirmation Procedure
NMEC0667
Perform “Procedure for malfunction A” first. If DTC cannot be
confirmed, perform “Procedure for malfunction B and C”.
NOTE:
If “DTC Confirmation Procedure” has been previously conducted,
always turn ignition switch “OFF” and wait at least 5 seconds
before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that bat-
tery voltage is more than 10.5V.
SEC447C
PROCEDURE FOR MALFUNCTION A
NMEC0667S01
With CONSULT-II
1)
Turn ignition switch “ON”.
2)
Select “DATA MONITOR” mode with CONSULT-II.
3)
Crank engine for at least 2 seconds.
4)
If DTC is detected, go to “Diagnostic Procedure”, EC-94.
Without CONSULT-II
1)
Crank engine for at least 2 seconds.
2)
Turn ignition switch “OFF”, wait at least 5 seconds and then
turn “ON”.
GI
MA
EM
LC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC 0101 CAMSHAFT POSITION SENSOR (CMPS)
ECM Terminals and Reference Value (Cont’d)
EC-91