Fault diagnosis 93
"ACTIVATE" command menu
ISAT scan tool display
INJECTORS
IGNITION COILS
BOOST PRESS. VALVE
IACVALVE
EVAP VALVE
O2S
1
PREHEATING
O2S 2 PREHEATING
NC
RELAY
CHECK ENGINE LAMP
SHIFT UP LAMP
PUMP RELAY
MAIN
RELAY
IDLING ADAPTATION
BOOST PRESS.RESET
Function
This command has a submenu, as follows:
• INJECTOR CYL 1
• INJECTOR CYL 2
• INJECTOR CYL
3
• INJECTOR CYL
4
Each injector is activated for
1 0
seconds at a frequency of
1 0
Hz.
·
This
command has a submenu, as follows:
• IGNITION CYL
1
• IGNITION CYL 2
• IGNITION CYL
3
• IGNITION CYL
4
Each ignition coil is activated for
1 0
seconds at a frequency of 200 Hz.
The boost pressure control valve (APC) is activated for
1 0
seconds at a
frequency of 90 Hz.
The idle air control valve is activated for
1 0
seconds with a current of 0.6
A.
The EVAP canister purge valve is activated for
1 0
seconds at a frequency
of
8
Hz.
The oxygen sensor's heating circuit is activated for
1 0
seconds.
The oxygen sensor's heating circuit is activated for
1 0
seconds.
The
NC
relay/compressor is activated for
1 O
seconds at a frequency of
1
~z.
The CHECK ENGINE lamp (MIL) is activated for
1 0
seconds at a frequen-
cy of
1 Hz.
The SHIFT UP lamp is activated for 1
O
seconds at a frequency of
1 H~.
The
fuel pump relay is activated for 1
O
seconds at a frequency of
1 Hz.
The
main relay is activated for 1 0 seconds at a frequency of 1 Hz.
This command is used in connection with forced adaptation of the throttle
position at idling speed.
This command is used in connection with resetting boost pressure adapta-
tion.
Saab 9000
I