Honda CBR650F Service Manual page 101

dummyhead dummyhead
PGM-FI SYSTEM
2. MAP Sensor Input Voltage Inspection
Turn the ignition switch OFF.
Disconnect the MAP sensor 3P (Black) connector
(page 4-37).
Turn the ignition switch ON with the engine stop
switch " ".
Measure the voltage between the wire harness side
MAP sensor 3P (Black) connector [1] terminals.
CONNECTION: Yellow/red (+) – Green/yellow (–)
STANDARD: 4.75 – 5.25 V
Is the voltage within standard value?
YES
NO
3. MAP Sensor System Inspection with Jumper
Wire
Turn the ignition switch OFF.
Connect the wire harness side MAP sensor 3P
(Black) connector [1] terminals with a jumper wire
[2].
CONNECTION: Violet/red – Green/yellow
Check the MAP sensor with the MCS.
Is about 0 V indicated?
YES
NO
4. MAP Sensor Signal Line Open Circuit Inspection
Turn the ignition switch OFF.
Disconnect the ECM 33P (Gray) connector (page 4-
35).
Check for continuity between the wire harness side
MAP sensor 3P (Black) connector [1] and ECM 33P
(Gray) connector [2] terminals.
TOOL:
Test probe
CONNECTION: Violet/red – Violet/red
Is there continuity?
YES
NO
4-12
– GO TO STEP 3.
– Open circuit in Green/yellow wire
– Faulty MAP sensor
– GO TO STEP 4.
07ZAJ-RDJA110
– Replace the ECM with a known good one,
and recheck.
– Open circuit in Violet/red wire
[1]
G/Y
[2]
G/Y
V/R
[1]
[1]
V/R
Y/R
[2]
V/R