Honda CBR125R, Owner'S Manual

Page: 123 / 430

FUEL SYSTEM (PGM-FI)
5-31
4. Bank Angle Sensor Output Line Short Circuit
Inspection
Turn the ignition switch OFF.
Disconnect the ECM 33P connector.
Check the continuity between the bank angle
sensor 3P connector of the wire side and
ground.
Is there continuity?
YES – Short circuit in Red/blue wire
NO – GO TO STEP 5.
5. Bank Angle Sensor Inspection
Replace the bank angle sensor with a known
good one (page 5-63).
Clear the DTC’s (page 5-12).
Connect the bank angle sensor 3P connector.
Turn the ignition switch ON (and engine stop
switch " ": CM and U type).
Check the bank angle sensor with the HDS
pocket tester.
Is DTC 54-2 indicated?
YES – Replace the ECM with a known good
one, and recheck.
NO – Faulty original bank angle sensor
DTC 54-2 (BANK ANGLE SENSOR
HIGH VOLTAGE)
• Before starting the inspection, check for loose or
poor contact on the bank angle sensor 3P con-
nector and recheck the DTC.
1. Recheck DTC
Clear the DTC’s (page 5-12).
Turn the ignition switch ON (and engine stop
switch " ": CM and U type).
Check the bank angle sensor with the HDS
pocket tester.
Is the DTC 54-2 indicated?
YES – GO TO STEP 2.
NO – • Intermittent failure
• Loose or poor contact on the bank
angle sensor 3P connector
Connection: Red/blue – Ground
R/Bu
BANK ANGLE SENSOR 3P CONNECTOR
(Wire side/female terminal)