Honda CBR650RA Shop Manual page 170

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PGM-FI SYSTEM
P2158 (REAR WHEEL SPEED SENSOR
SIGNAL)
1. DTC Recheck
Erase the DTC (page 4-9).
Test-ride the motorcycle above 20 km/h (12 mph)
for more than 20 seconds.
Stop the engine.
Check the DTC with the GST or MCS.
Is P2158 indicated?
YES
NO
2. ABS DTC Check
Check the ABS DTC (page 19-6).
Does the ABS modulator have any DTC?
YES
NO
3. Rear Wheel Speed Sensor Signal Output Line
Open Circuit Inspection
Turn the ignition switch OFF.
Disconnect the following:
– ABS modulator 18P (Black) connector (page 19-
26)
– ECM 33P (Gray) connector (page 4-76)
Check for continuity between the wire harness side
ABS modulator 18P (Black) connector [1] and ECM
33P (Gray) connector [2].
TOOL:
Test probe
CONNECTION: Black/blue – Black/blue
Is there continuity?
YES
NO
4. Rear Wheel Speed Sensor Signal Output Line
Short Circuit Inspection
Check for continuity between the wire harness side
ECM 33P (Gray) connector [1] and ground.
TOOL:
Test probe
CONNECTION: Black/blue– Ground
Is there continuity?
YES
NO
4-66
– GO TO STEP 2.
– Intermittent failure.
– Follow the ABS DTC index (page 19-10).
– GO TO STEP 3.
07ZAJ-RDJA110
– GO TO STEP 4.
– Open circuit in the Black/blue wire
07ZAJ-RDJA110
– Short circuit in the Black/blue wire
– GO TO STEP 5.
[1]
Bl/Bu
(Terminal side of the wire harness)
[1]
Bl/Bu
(Terminal side of the wire harness)
[2]
Bl/Bu