Honda NSS250A Reflex 2001-2007, Руководство пользователя

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Honda S Matic System (NSS250A)
24-46
METER DISPLAY "F" 42 BLINKS: Shift
switch
• Before starting troubleshooting, check for loose
or poor contacts on the following connectors,
then recheck the "F" blinking.
– Shift switch 3P (Black) connector
– PCM 21P (Black) connector
1. Shift Switch Continuity Inspection
Remove the inner cover (page 3-27).
Turn the ignition switch OFF.
Disconnect the shift switch 3P (Black) connector.
Check the continuity at the shift switch 3P con-
nector of the switch side when each shift switch
position pushed.
Is there continuity?
YES – GO TO STEP 2.
NO – Faulty shift switch
2. Shift Switch Input Voltage Line Inspection
Turn the ignition switch ON and engine stop
switch " ".
Measure the voltage between the shift switch 3P
connector of the wire side and ground.
Is the voltage within 4.75 – 5.25 V?
YES – GO TO STEP 3.
NO – • Open or short circuit in Yellow/black
wire
• Replace the PCM with a known good
one, and recheck.
3. Shift Switch Signal Line Continuity Inspection
Connect the test harness 21P to the PCM 21P
(Black) connector (page 24-12).
Check the continuity between test harness termi-
nal and shift switch 3P connector of the wire
side.
Is there continuity?
YES – GO TO STEP 4.
NO – • Open circuit in White/blue wire
• Open circuit in White/yellow wire
CONNECTION:
Yellow/black – White/blue (+ button)
Yellow/black – White/yellow (– button)
3P CONNECTOR
(Switch side/male terminals)
Yellow/
black White/
blue
White/
yellow Yellow/
black
CONNECTION: Yellow/black (+) – Ground (–)
STANDARD:
4.75 – 5.25 V
3P CONNECTOR
(Wire side/female terminals)
Yellow/black
CONNECTION: B7 – White/blue (+ button)
B6 – White/yellow (– button)
TEST HARNESS 21P
3P CONNECTOR
(Wire side/female terminals)
White/
yellow
White/
blue
(B6)
(B7)
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