Honda TRX500FM Service Manual page 124

PGM-FI SYSTEM
4-28
2. Bank Angle Sensor Power Input Voltage
Inspection
Turn the ignition switch OFF.
Disconnect the bank angle sensor 3P (Black)
connector [1 }.
Turn the ignition switch ON and engine stop switch
Measure Ihe voltage between the wire harness side
bank angle sensor 3P (Black) connector terminals.
Connection: Brown/white
(+) -
Green/red (-)
Is there within
4.75 - 5.25
V?
YES - GO TO STEP 4.
NO - GO TO STEP 3.
3. Bank Angle Sensor Input Voltage line Open
Circuit Inspection
Tum the ignition switch OFF.
Disconnect Ihe PCMIECM 33P (Gray) connector [1].
111
Greenlred
Check for continuity between the wire harness side Brownfwhite
bank angle sensor 3P (Black) connector [2] and
PCM/ECM 33P (Gray) connector terminals. [2]
Connection : B2 - Green/red
B3 - Brown/white
TOOL:
Test probe 07ZAJ·ROJA 110
Brownlwhite
B3 aII
B
'
Are there continuities?
'-------{Q)---------'
YES - Replace Ihe PCM/ECM with a known good Green/red
one (page 4-34), and recheck.
NO _. Open circuit in the Green/red wire .
• Open circuit in the Brownlwhite wire.
4. Bank Angle Sensor Output line Open Circuit
Inspectton
Turn the ignition switch OFF.
Disconnect the PCM/ECM 33P (Gray) connector [1].
[2)
Check for continuity between the wire harness side
bank angle sensor 3P (Black) connector [2] and
PCM/ECM 33P (Gray) connector terminals.
Connection: B22 - Blacklgreen
TOOL:
Test probe 07ZAJ-ROJA110
Is there continuity?
YES - Inspect the bank angle sensor (page 4-34).
NO - Open circuit in the Black/green wire.
111
Black/green
B22
111