Dtc 54-1 (Bank Angle Sensor Low Voltage) - Honda TRX500FM Service Manual

PGM·FI SYSTEM
4-26
DTG 54·1 (BANK ANGLE SENSOR
LOW VOLTAGE)
1. Rec heck OTe
Erase Ihe oTe (page 4-12).
Turn Ihe ignition switch ON and engine stop switch
"0",
Check the bank angle sensor with the HOS pocket
tester.
Is the DTe 54-1Ind/cated?
YES - GO TO STEP 2.
NO Intermittent failure.
• loose or poor contact of Ihe bank angle
sensor 3P (Black) connector.
2. Bank Angle Sensor Power Input Voltage
Inspection
Turn Ihe ignition switch OFF.
Disconnect the bank angle sensor 3P (Black)
connector [1].
Turn the ignition switch ON and engine stop switch
·0 ",
Measure the voltage between the wire harness side
bank angle sensor 3P (Black) connector terminals.
Connection : Brownlwhite
(+) -
Green/red (-)
Is the voltage within
4. 75 - 5.25
V?
YES - GO TO STEP 4.
NO - GO TO STEP 3.
3. Bank Angle Sensor Input Voltage Une Short
Circuit Inspection
Turn the ignition switch OFF.
Disconnect the PCM/ECM 33P (Gray) and (Black)
connectors.
Check for continuity between the wire harness side
bank angle sensor 3P (Black) connector (1 1 terminal
and ground.
Connection : Brown/white - Ground
Is there continuity?
YES - Short circuit in the Brownlwhite wire.
NO - Replace the PCMlECM with a known good
one (page 4-34). and recheck.
111
1
Green/red
Brownlwhite
III
Brown/white