Honda NC700XA Service Manual page 737

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LIGHTS/METERS/SWITCHES
4. ECM Serial Line Output Voltage Inspection
Turn the ignition switch OFF.
Disconnect the combination meter 16P (Gray)
connector.
Connect the ECM/PCM 33P connector.
Remove the maintenance lid (page 21-6).
Remove the DLC [1] from the battery box.
Short the DLC terminals using a special tool.
Connection: Brown – Green
TOOL:
SCS connector [2]
Rotate and hold the throttle grip [1] to the fully open
position.
Turn the ignition switch ON while holding the throttle
grip at the fully open position over 10 seconds.
The
diagnostic mode.
Measure the voltage at the combination meter 16P
(Gray) connector [1] of the wire harness side and
ground.
Connection: Red/blue (+) – Ground (–)
Standard:
Does the standard voltage exist?
YES
NO
COMBINATION METER DIGITAL
CLOCK SET PROCEDURE
Turn the ignition switch ON.
Push and hold both the combination meter A button [1]
and B button [2] until the minute digits [3] indicate "1",
"2" or "3".
The combination meter enter the back light setting
mode.
22-14
070PZ-ZY30100
ECM/PCM enters the
8 V or more (Every 5 seconds)
– Inspect the combination meter (page 22-
10).
– Replace the ECM/PCM with a known good
one, and recheck.
communication
[1]
[1]
[1]
[1]
R/Bu
[3]
[2]
[2]