Honda NSS250S Manual page 583

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Average fuel consumption indicator shows [ _ _ . _ ]
(under score: EEPROM failure) with test harness
1. Reset The TRIP A
Display the "TRIP A" by pressing the MODE but-
ton.
Push and hold the RESET switch 2 for second.
When the meter is reset properly, [ – – . – ]
(hyphen) will be displayed.
Is there normal?
YES – Intermittent failure
NO – GO TO STEP 2.
2. Combination Meter Inspection
Inspect the combination meter voltage input
lines and ground line (page 22-10).
Are the lines normal?
YES – GO TO STEP 3.
NO – Faulty combination meter related circuit
3. Injection Pulse Line Open Circuit Inspection
Turn the ignition switch OFF.
Remove the screen garnish (page 3-18).
Connect the test harness 33P to the ECM 33P
(Black) connector (page 6-98).
TOOL:
ECM test harness 33P
Disconnect the combination meter 28P (Gray)
connector (page 22-10).
Check the continuity between the test harness
and combination meter connector of the wire
side.
CONNECTION: 22 – Brown/white
Is there continuity?
YES – GO TO STEP 4.
NO – Open circuit in Brown/white wire
4. Injection Pulse Line Short Circuit Inspection
Check the continuity between the combination
meter connector of the wire side and ground.
CONNECTION: Brown/white – Ground
Is there continuity?
YES – Short circuit in Brown/white wire
NO – Faulty combination meter printed cir-
cuit board
MODE BUTTON
RESET BUTTON
28P CONNECTOR
(Wire side/female terminal)
070MZ-MCA0100
TEST HARNESS 33P
28P CONNECTOR
(Wire side/female terminal)
LIGHTS/METERS/SWITCHES
TRIP A
Brown/white
22
Brown/white
22-13