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Step 4
1) Turn the ignition switch OFF.
2) Connect the position sensor coupler.
3) Measure the position sensor output voltage at fully close
position and fully open position.
4) Insert the needle pointed probes to the back side of the
position sensor lead wire coupler.
(0
Yellow - 8 White)
5) Disconnect the EXCVA motor lead wire
coupler~.
6) To set the EXCV to fully close position, apply 12 volts to ®
and @ terminals.
Positive wire -
® (Pink wire) terminal 4
r--""I
Negative wire - @ (Gray wire) terminal
7) Turn the ignition switch ON.
8) Measure the position sensor output voltage at fully close
position.
9) Then, to set the EXCV to fully open position, apply 12 volts to
@ and ® terminals.
Positive wire -
@ (Gray wire) terminal
Negative wire -
® (Pink wire) terminal
10)Measure the position sensor output voltage at fully open
position.
_ Position sensor
output
voltage
EXCV is
fully
close: 0.5 - 1.3 V
EXCV is
fully
open:
3.7 - 4.5 V
(0
Yellow - 8 White)
,MOt.
09900-25008: Multi
circuit
tester set
09900-25009: Needle pointed probe set
~
Tester
knob
indication: Voltage
(=-=-:)
Is the voltage OK?
YES Replace the ECM with a new one.
NO Go to Step 5.
FI
SYSTEM
DIAGNOSIS
4·57