Honda CBF600SA Service Manual page 146

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys.
FUEL SYSTEM (PGM-FI)
3. O Sensor Short Circuit Inspection
2
Connect the O
Check for continuity between the ECM 33P (Light
gray) connector of the wire harness side and
ground.
CONNECTION: B20 – Ground
TOOL:
Test probe
Is there continuity?
YES
NO
4. O Sensor Inspection
2
Connect the ECM 33P connectors.
Replace the O
(page 5-101).
Clear the ECM self-diagnosis memory data (page
5-14).
Start the engine and warm the engine up to cool-
ant temperature is 80 °C (176 °F).
Test-ride the motorcycle and check the O
with the HDS pocket tester.
Is the DTC 21-1 indicated?
YES
NO
DTC 23-1 (O
• Before starting the inspection, check for loose or
poor contact on the O
tor and ECM 33P connectors, then recheck the
DTC.
1. O Sensor Heater System Inspection
2
Clear the ECM self-diagnosis memory data (page
5-14).
Start the engine and check the O
with the HDS pocket tester.
Is the DTC 23-1 indicated?
YES
NO
5-32
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sensor 4P (Black) connector.
2
07ZAJ-RDJA110
– Short circuit in the Orange/white wire
– GO TO STEP 4.
sensor with a known good one
2
– Replace the ECM with a known good
one, and recheck; refer to Key Registra-
tion Procedures (page 21-6)
– Faulty original O sensor
2
SENSOR HEATER)
2
sensor 4P (Black) connec-
2
– GO TO STEP 2.
– Intermittent failure
sensor
2
sensor heater
2
33P (Light gray) CONNECTOR
(Wire side/female terminal)
B20 TERMINAL