Control System Specification (For 3.0L) - Mazda B-Series 1997 Workshop Manual

CONTROL SYSTEM (FOR 3.OL)
FT
Specification (For
3.OL)
Note
All values shown may vary
*
20% depending on operating conditions and other factors. RPM
values are axle and tire dependent.
Terminal
I
Connected To Test Condition
1
Specification Remark Possible Cause
I
Open or short from SS2
to PCM.
Transmission in second gear
1
Below 1 .OV
1
Shift solenoid 2 (SS2)
T , a n ~ ~ S ~ o ~ t o f s e c o n d
(Output)
1
IGON: B+
gear
~
Below 1.OV PID ON
L . - -
B+ PID OFF
MIL always ON:
Short from MIL to PCM.
PCM malfunction.
MIL never ON:
Open from MIL to PCM.
Lamr, illuminated
Malfunction indicator
-
- - - -
- - -
-
Lamp not ~lluminated
I
Key ON
L -
-
1-R sensor out of
adjustment.
Open or short from TR
sensor to PCM.
Transmission range p d l e
- - - - - t
-
sensor (TRI )
Driving 48 km/h (30 mph)
1
/
Driving 88 kmlh (55 mph) 11.5V
1
;
Key ON
1
1.1V
I -
Open or short from purge
flow sensor to PCM.
Purge flow sensor
(Input)
Hot Idle
Driving 48 km/h (30 mph)
Open or short to GND or
--
13 Flash EPROM power Key ON
(Input)
I
supply
4x4 low sw~tch
(Input)
I
4x4 low engaged
-----
'
4x4 low disengaged
Open or short from GEM
to PCM.
16
- Bus (+)
I
ov
I
-
Open or short from
c:rankshaft position
sensor to PCM.
/
Hot idle
Crankshaft position
sensor (CKP)
Driving 48 kmlh (30 mph)
24 Power around
/
Constant
1
O V
1
-
Open circuit.
-
Case ground
- - * i ~ -
Open circuit.
26
(Output)
Ignition coil 1
Open or short from coil
# I to PCM.
i
1
Constant
& - - - -
27 shift solenoid (SSI )
I
Transmission in first gear Below 1 .OV
, - - - -
(Output) I
/
Transmission out of first gear
Below
1
.OV
Open of short from SSI
to PCM.