Honda NSS250S Manual page 670

Honda S Matic System (NSS250A)
7. Movable Drive Face Position Sensor Signal Line
Short Circuit Inspection
Check the continuity between the movable drive
face position sensor 3P connector of the wire
side and ground.
CONNECTION: Yellow/blue – Ground
Is there continuity?
YES
NO
8. Failure Reproduction
Install the movable drive face position sensor
(page 24-52).
Erase the DTC's from the PCM (page 24-10).
Perform the Honda S Matic System initial setting
procedure (page 24-61).
Test-ride the scooter then retrieve the problem
code (page 24-8).
Is DTC 29-1 indicated?
YES
NO
DTC 29-2 (Movable drive face position
sensor high voltage)
• Movable drive face position sensor malfunction
can be detected after starting the engine.
• When removing the movable drive face position
sensor, perform the Honda S Matic System initial
setting procedure (page 24-61).
1. Movable Drive Face Position Sensor System
Inspection
Turn the ignition switch ON and engine stop
switch " ".
Check the movable drive face position sensor
shaft with HDS pocket tester.
Is about 5 V (high voltage) indicated?
YES
NO
24-26
maxiscooter-club.ru
– Short circuit in Yellow/blue wire
– GO TO STEP 8.
– Replace the PCM with a known good
one, and recheck.
– Intermittent failure
– GO TO STEP 2.
– • Intermittent failure
• Loose or poor contact of the connec-
tor
3P CONNECTOR
(Wire side/female terminals)
Yellow/blue
METER DISPLAY
(GEAR POSITION INDICATOR)