Honda CBR650F Service Manual page 100

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3. MAP Sensor Input Line Open Circuit Inspection
Turn the ignition switch OFF.
Disconnect the ECM 33P (Black) connector (page
4-35).
Check for continuity between the wire harness side
MAP sensor 3P (Black) connector [1] and ECM 33P
(Black) connector [2] terminals.
TOOL:
Test probe
CONNECTION: Yellow/red – Yellow/red
Is there continuity?
YES
NO
4. MAP Sensor Signal Line Short Circuit Inspection
Turn the ignition switch OFF.
Disconnect the ECM 33P (Black) connector (page
4-35).
Check for continuity between MAP sensor 3P
(Black) connector [1] terminal and ground.
CONNECTION: Violet/red – Ground
Is there continuity?
YES
NO
5. MAP Sensor Inspection
Replace the MAP sensor with a known good one
(page 4-37).
Connect the ECM 33P (Black) connector.
Erase the DTC (page 4-7).
Check the MAP sensor with the MCS.
Is DTC 1-1 indicated?
YES
NO
DTC 1-2 (MAP SENSOR HIGH VOLTAGE)
• Before starting the inspection, check for loose or
poor contact on the MAP sensor 3P (Black) and
ECM 33P (Gray) connectors, and recheck the DTC.
1. MAP Sensor System Inspection
Check the MAP sensor with the MCS.
Is about 5 V indicated?
YES
NO
07ZAJ-RDJA110
– Replace the ECM with a known good one,
and recheck.
– Open circuit in Yellow/red wire
– Short circuit in Violet/red wire
– GO TO STEP 5.
– Replace the ECM with a known good one,
and recheck.
– Faulty original MAP sensor
– GO TO STEP 2.
– Intermittent failure
Y/R
[1]
[1]
V/R
PGM-FI SYSTEM
[2]
Y/R
4-11