Honda NSS250A Reflex 2001-2007, Manual

Page: 657 / 718

Honda S Matic System (NSS250A)
24-13
Honda S Matic DTC INDEX
• When the gear position indicator "–" is blinking constantly, but no DTC is indicated or retrievable, refer to serial commu-
nication line.
– Inspection with test probe: (page 24-49)
– Inspection with test harness: (page 24-50)
DTC
("F" blinks)
Function Failure Symptoms/Fail-safe function
Refer to
(DTC)
Refer to
("F"
blinks)
No blinks
• Open circuit in power input line of the PCM
• Faulty bank angle sensor or related circuit
• Faulty engine stop relay or related circuit
• Faulty engine stop switch or related circuit
• Faulty handle lock module or related circuit
• Faulty PCM
• Blown MAIN B fuse (15 A) • Engine does not start
– –
"–" blinks
• Open circuit in PCM to combination meter wire
• Loose of poor contact of the combination meter
connector
• Engine operates normally
– –
5-1 (5)
Ratio control motor stuck
• Excessive gear friction between the gear mecha-
nism of the ratio control motor and the movable
drive face gear
• Loose or poor contact of the ratio control motor
connector
• Faulty ratio control motor or related circuit
• Loose or poor contact of the movable drive face
position sensor connector
• Faulty movable drive face position sensor or
related circuit
• Drivable but won’t accelerate
(Movable drive face not con-
trolled)
24-15 24-33
6-1 (6)
Ratio control motor drive circuit
• Blown RATIO MOTOR fuse (30 A)
• Loose or poor contact of the ratio control motor
connector
• Open or short circuit in ratio control motor wire
• Faulty ratio control motor
• Ratio control motor drive circuit inside the PCM
malfunction
• Drivable but won’t accelerate
(Movable drive face not con-
trolled)
24-20 24-38
8-1 (8)
TP Sensor circuit low voltage (less than 0.215 V)
• Loose or poor contact of the TP sensor connector
• TP sensor or its circuit malfunction • Drivable on D mode of the Auto-
matic mode but poor engine
response when operating the
throttle (Alternative throttle
opening position: 0
°
)
6-19
8-2 (8)
TP sensor circuit high voltage (more than 4.922 V)
• TP sensor or its circuit malfunction • Drivable on D mode of the Auto-
matic mode but poor engine
response when operating the
throttle (Alternative throttle
opening position: 0
°
)
11-1 (11)
VS sensor no pulse
• Loose or poor contact of the VS sensor connec-
tor
• Open or short circuit in VS sensor wire
• Faulty VS sensor
• Drivable on D mode of the Auto-
matic mode
24-22 24-40
13-1 (13)
Driven pulley sensor circuit no signal
• Loose or poor contact of the driven pulley sensor
connector
• Open or short circuit in driven pulley sensor wire
• Faulty driven pulley sensor
• Drivable but won’t accelerate
(Movable drive face not con-
trolled)
24-23 24-41
maxiscooter-club.ru