Self-Diagnostic System - BOMBARDIER Johnson 90 Service Manual

ENGINE CONTROL SYSTEM
SELF-DIAGNOSTIC SYSTEM
SELF-DIAGNOSTIC SYSTEM
The self-diagnostic system alerts the operator when an abnormality occurs in a signal from sensor,
switch, etc. When the system is activated, the "CHECK ENGINE" lamp flashes (lights intermittently)
according to each code pattern along with a buzzer sound. When engine is running, the buzzer sounds a
series of short (0.2 second) beeps.
i.&CAUTION
1
There is a one second delay between the digits of each code. There is a three second delay
between the completion of one code and the start of the next.
Priority / Code / Pattern For Self-Dlagnostic System Operation
FAIL-SAFE SYSTEM
PRIORITY
1
FAILED ITEM CODE LAMP FLASHING PATTERN
1
ACTIVATING
MAP sensor 1
on
nnn
r
11 1 1 1 1 1
1
1
3-4
1
YES
off
CKP sensor
on
2
1
4-2
1 1 1 1 11 1 1 1 11 1
1
YES
off
IAC valve / By-pass air
on
_JlJ1JlJL
3
1
screw adjustment 3-1
1
NO
off
CMP sensor
on
4
1
2-4
1111 111 11111
1
YES
off
CTP switch
on
_J1JL_ílJL_
5
1
2-2
1
NO
off
Cylinder temp. sensor
on
---1UlIU1JL
6
1
1-4
1
YES
off
IATsensor
on
7
1
2-3
1111 111 111
1
YES
off
MAP sensor 2 (Pressure
on _J1filLJlfl_
8
1
detect passage)
3-2
1
NO
off
Rectifier and regulator
on _JLJL
9
1
(Overcharging) [NOTE 1) 1 -1
1
NO
off
Exhaust manifold temp.
on
__ _ JLJ1J1_ f UUl
10
1
sensor 1-5
1
YES
off
Fuel injector
on
11
1
4-3
11111111 111 111
1
NO
off
3-25