Honda CBR650RA Shop Manual page 126

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PGM-FI SYSTEM
DTC P011B
Probable cause:
• Faulty ECT sensor or its related circuit
• Insufficient coolant
• Faulty thermostat
• Faulty water pump
• Clogged coolant passage
• Faulty IAT sensor or its related circuit
• Faulty ECM
Symptom/Fail-safe function:
• Hard to start at a low temperature
• Exhaust gas too lean or too rich
• Fuel consumption deterioration
• Driveability deterioration
• Before processing the DTC troubleshooting, stop the
engine and wait for 6 hours if the motorcycle is
running.
• Do not disconnect the battery cable.
1. ECT Sensor Inspection
Replace the ETC sensor with a new one.
Erase the DTC (page 4-9).
Turn the ignition switch OFF and wait for 6 hours.
Check the DTC with GST or MCS.
Is same DTC indicated?
YES
NO
2. IAT Sensor Inspection
Replace the IAT sensor with a new one.
Erase the DTC (page 4-9).
Turn the ignition switch OFF and wait for 6 hours.
Check the DTC with GST or MCS.
Is same DTC indicated?
YES
NO
4-22
– GO TO STEP 2.
– Faulty original ECT sensor
– Replace the ECM with a new one, and
recheck.
– Faulty original IAT sensor