Drivetrain Blink Code (Dtc) - Honda NSS250S Manual

DRIVETRAIN BLINK CODE (DTC)

TROUBLESHOOTING
DTC 5-1 (Ratio control motor stuck)
• Before starting troubleshooting, check for loose
or poor contacts on the following connectors,
then recheck.
– Ratio control motor 2P (Black) connector
– Movable drive face position sensor 3P (Black)
connector
– PCM 5P (Black) connector
– PCM 21P (Black) connector
• 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 to " ".
Check the movable drive face position sensor
with the HDS pocket tester.
Is about Low voltage (about 0 V) or High voltage
(about 5 V) indicated?
YES
NO
2. Ratio Control Motor Input Voltage Inspection
Remove the left body cover (page 3-11).
Turn the ignition switch OFF.
Disconnect the PCM 5P (Black) connector.
Measure the voltage at the PCM 5P connector of
the wire side.
CONNECTION: Red/black (+) – Green (–)
Is there battery voltage?
YES
NO
3. Ratio Control Motor Output Line Open Circuit
Inspection
Disconnect the ratio control motor 2P (Black)
connector (page 24-52).
Check the continuity between the PCM 5P and
ratio control motor 2P connectors of the wire
side.
CONNECTION: Black/white – Black/white
Is there continuity?
YES
NO
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– • 0 V: Refer to DTC 29-1 (page 24-24)
• 5 V: Refer to DTC 29-2 (page 24-26)
– GO TO STEP 2.
– GO TO STEP 3.
– • Open or short circuit in Red/black
wire
• Open circuit in Green wire
Green/red – Green/red
– GO TO STEP 4.
– • Open circuit in Black/white wire
• Open circuit in Green/red wire
Honda S Matic System (NSS250A)
5P CONNECTOR 5P CONNECTOR
(Wire side/female terminals)
Green
2P CONNECTOR
(Wire side/female terminals)
Green/red
Black/
white
5P CONNECTOR
(Wire side/female terminals)
Red/
black
Green/red
Black/
white
24-15