Honda CBR650F Service Manual page 102

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DTC 2 (MAP SENSOR)
Probable cause
• Loose or poor connection of the MAP sensor
vacuum hose
• Faulty MAP sensor
• Faulty ECM
DTC 2-1 (MAP SENSOR)
1. MAP Sensor System Inspection
Start the engine and check the MAP sensor with the
MCS at idle speed.
Is the reading changed?
YES
NO
2. Manifold Absolute Pressure Test
Stop the engine.
Lift the fuel tank and support it (page 3-4).
Check for connection and installation of the MAP
sensor vacuum hose [1].
Is the MAP sensor vacuum hose connection
correct?
YES
NO
3. MAP Sensor System Inspection
Replace the MAP sensor with a known good one
(page 4-37).
Start the engine.
Check the MAP sensor with the MCS at idle speed.
Is the reading changed?
YES
NO
– Intermittent failure
– GO TO STEP 2.
– GO TO STEP 3.
– Correct the hose installation.
– Faulty original MAP sensor
– Replace the ECM with a known good one
and recheck.
PGM-FI SYSTEM
[1]
4-13