7 - 10
FI
FUEL INJECTION SYSTEM
32
Ignition coil #3 After 1 second has elapsed from the time the engine stop
switch has been turned from OFF to ON, it actuates ignition
coil #3 for five times every second and illuminates the engine
trouble warning light.
* Connect an ignition checker.
* If the engine stop switch is ON, turn it OFF once, and then
turn it back ON.
Check that spark is generated,
5 times with the engine stop
switch ON.
33
Ignition coil #4 After 1 second has elapsed from the time the engine stop
switch has been turned from OFF to ON, it actuates ignition
coil #4 for five times every second and illuminates the engine
trouble warning light.
* Connect an ignition checker.
* If the engine stop switch is ON, turn it OFF once, and then
turn it back ON.
Check that spark is generated,
5 times with the engine stop
switch ON.
36
Injector #1 After 1 second has elapsed from the time the engine stop
switch has been turned from OFF to ON, it actuates the injec-
tor five times every second and illuminates the engine trouble
warning light.
* If the engine stop switch is ON, turn it OFF once, and then
turn it back ON.
Check the operating sound of
the injector five times with
engine stop switch ON.
37
Injector #2 After 1 second has elapsed from the time the engine stop
switch has been turned from OFF to ON, it actuates the injec-
tor five times every second and illuminates the engine trouble
warning light.
* If the engine stop switch is ON, turn it OFF once, and then
turn it back ON.
Check the operating sound of
the injector five times with
engine stop switch ON.
38
Injector #3 After 1 second has elapsed from the time the engine stop
switch has been turned from OFF to ON, it actuates the injec-
tor five times every second and illuminates the engine trouble
warning light.
* If the engine stop switch is ON, turn it OFF once, and then
turn it back ON.
Check the operating sound of
the injector five times with
engine stop switch ON.
39
Injector #4 After 1 second has elapsed from the time the engine stop
switch has been turned from OFF to ON, it actuates the injec-
tor five times every second and illuminates the engine trouble
warning light.
* If the engine stop switch is ON, turn it OFF once, and then
turn it back ON.
Check the operating sound of
the injector five times with
engine stop switch ON.
48
AI system solenoid After 1 second has elapsed from the time the engine stop
switch has been turned from OFF to ON, it actuates the AI
system solenoid five times every second and illuminates the
engine trouble warning light.
* If the engine stop switch is ON, turn it OFF once, and then
turn it back ON.
Check the operating sound of
the AI system solenoid 5 times
with the engine stop switch ON.
50
Fuel injection system
relay
After 1 second has elapsed from the time the engine stop
switch has been turned from OFF to ON, it actuates the fuel
injection system relay five times every second and illuminates
the engine trouble warning light (the light is OFF when the
relay is ON, and the light is ON when the relay is OFF).
* If the engine stop switch is ON, turn it OFF once, and then
turn it back ON.
Check the fuel injection system
relay operating sound 5 times
with the engine stop switch ON.
51
Radiator fan motor
relay
After 1 second has elapsed from the time the engine stop
switch has been turned from OFF to ON, it actuates the radia-
tor fan motor relay five times every 5 seconds and illuminates
the engine trouble warning light. (ON 2 seconds, OFF 3 sec-
onds)
* If the engine stop switch is ON, turn it OFF once, and then
turn it back ON.
Check the radiator fan motor
relay operating sound 5 times
with the engine stop switch ON.
(At that time, the fan motor
rotates.)
Diagnostic
code
Item Description of action
Data displayed on meter
(reference value)