Daihatsu F300 Service Manual page 1334

ENGINE MECHANICAL$
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Terminals
STO voltage or
Conditions Remedies
resistance
Less than o.w
Ignition switch OFF.
Check/repair
(18). (21)
About battery
ECU power
voltage
Ignition switch ON.
supply.
Less than 3V Ignition switch ON.
(Check engine lamp Illuminated.)
Check power
(19). (21)
About battery
Engine is rotating. (Check engine lamp not illuminated).
suppy for check
voltage
engine lamp.
Less than 1V
Ignition switch ON. Fuel pump is operating.
Check/repair fuel
(20)· (21)
About battery
Ignition switch ON. Fuel pump is stopped.
pump
powe~
voltage
supply.
{21) ·Engine ground
Less than 0.2.0 Ignition switch OFF.
Check ground
wiring.
(22)·(21)
Less than 0.50
Ignition switch OFF. Replace ECU.
About battery
Engine is rotating. Air conditioner compressor is rotating.
Check air
(23) ·(21)
cond~ioner
voltage (Genuine air conditio.,er-equipped vehicle.)
1
wiring.
•
0
to
Approx
Ignition switch ON .
Check speed
(26). (21) When vehicle is moved. (Measured voltage changes 4 times for
battery voltage
movement of 1.5 m.)
sensor
About battery
Ignition switch ON. Throttle valve fully closed.
Check throttle
(28). (21)
voltage
position sensa;.
Less than O.SV Ignition switch ON. Throttle valve fully opened.
Less than 0.1V
Ignition switch ON (after more than 60 seconds}.
cneck oxygen
sensor.
(29). (21)
Voltage varies After engine has warmed up fully. When engine revolution is
Check fuel
within 0 - 1.0V. held at 3000 rpm for more than
two
minutes: system.
(30). (21)
Less than 10 Ignition switch ON.
Proceed to flow
chart(2) .
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EM-193