Honda 2005-2008 RX500 FA Service Manual page 491

'61HN252' by American Honda Motor Co. - Page 491 of 540
[2005-2008] [TRX500 FA/FGA]
1 of 1
3. Ignition Pulse Generator Line Inspection
Turn the ignition switch OFF.
Disconnect the ECM 21P (Black) connector and
the alternator 5P (Natural) connector.
Check for continuity at the Blue/yellow wire
between the main harness side connectors.
Is there continuity?
NO Open in wire between the ECM and
ignition pulse generator
GO TO STEP 4.
YES
4. Ignition Pulse Generator
Inspection
Inspect the ignition pulse generator peak voltage
(page 20-5).
Connection: Blue/yellow (+) Ground ()
Standard: 0.7 V minimum
Is the voltage as specified?
Inspect the ignition pulse generator
NO
(page 11-9)
YES GO TO STEP 5.
5. System Failure Reproduction
Connect all connectors.
Test-ride the vehicle under the following condi-
tions:
Gearshift lever in D range
Mode select switch at ESP/1st
Driving for 2 seconds or more at over 3 mph
of vehicle speed
Is problem code 1 blink indicated?
NO · No problem (Temporary failure)
· Erase the problem code (page 24-9)
Faulty ECM After replacement, per-
YES
form initial setting procedure
6).
http://services.honda.com/ServiceManual/SVC_MNL/61HN253/61HN2...
Peak Voltage
PEAK VOLTAGE ADAPTOR
GEAR POSITION INDICATOR
(page 24-
HONDAMATIC
Bu/Y Bu/Y
ECM 21P (BLACK) CONNECTOR
(Viewed from the terminal side)
Bu/Y
24-13
3/9/2008 11:28 PM