Control System Specification (For 2.3L) - Mazda B-Series 1997 Workshop Manual

CONTROL SYSTEM (FOR 2 . 3 ~ )
FT
Specification (For 2.3L)
Note
All values shown may vary
k20%
depending on operating conditions and other factors.
RPM
values are axle and tire dependent.
-
I
Terminal Connected To
I
T e s t Condition
Specification Remark Possible Cause
Open or short from SS2
Lamp illuminated
Malfunction indicator
- -
lamp (MIL)
Lamp not illuminated B+
PID OFF MIL never ON:
1
Open from MIL to PCM.
(Output)
I
TR sensor out of
adjustment.
Open or short from TR
sensor to PCM.
I
Hot idle
I
O V
I
Transmission range
sensor (TRI )
Driving 48 kmlh (30 mph)
k
Driving 88 krnlh(55 rnph)
I
Key ON
Open or short from purge
Purge flow sensor
/
Drivirig 48 kmlh (30 mph)
1.7V
flow sensor to PCM.
I
I n ; 88 krn/h (55 mph)
/
1.8V
-
Flash EPROM power
1
Key ON
I
SUDD~V
1
Open or short to GND or
I
short to voltage.
Bus
(+)
I
O V
I
-
1
-
I
Crankshaft position
430-520 Hz
Open or short from
T i e
T r r l
(CKP) sensor
crankshaft position
Driving 48 krnlh (30 mph) 800-1 OoO Hz
sensor to PCM.
Driving 88 kmlh (55 mph) AC 4.OV 11 40-1 250 Hz
24
1
Power wound
I
Constant
1
O V
1
-
/
Open circuit.
I
25
1
Case ground
/
Constant Open circuit.
-
I
coil #I to PCM.
26
1
Ignition coil 1
(Output)
Constant
27
(Output)
1
Transmission in first gear
1
Below
B +
1 .OV
1
Shift solenoid 1 (SSl )
1
Open or short from SS1
IG ON: 0.1 V
t , , PCM,
1
Transmission out of first gear