Honda CB 600F Hornet 2007 Shop Manual page 148

FUEL SYSTEM (PGM-FI)
2. MAP Sensor Output Voltage Inspection
Connect the ECM test harness to ECM connec­
tors (page 5-14).
Turn the ignition switch ON and engine stop
switch
Measure the voltage at the test harness termi­
nals.
The MAP sensor voltage should be changed
after engine started.
CONNECTION: 89 (+)
Is the voltage within 2. 7
YES
NO
3. MAP Sensor Output Voltage Inspection At Idle
Start the engine.
Measure the voltage at the test harness termi­
nals.
CONNECTION: 89 (+) -A 18 (-)
STANDARD:
Is the voltage less than 2.7 V?
YES
NO
MIL 7 BLINKS (ECT SENSOR)
• Before starting the inspection, check for loose or
poor contact on the ECT sensor 3P (Black) con­
nector and ECM 33P connectors, then recheck
the MIL blinking.
1. ECT Sensor Output Voltage Inspection
Turn the ignition switch OFF.
Connect the test harness to ECM 33P connectors
(page 5-14).
Turn the ignition switch ON and engine stop
switch
Measure the voltage at the test harness termi­
nals.
CONNECTION: 813 (+) -A 18 (-)
STANDARD:
Is the voltage within 2. 7 - 3. 1 V?
YES
NO
5-38
"0".
H
- A 18
3. 1 V?
-
- GO TO STEP 3.
- Faulty MAP sensor
2.7 V maximum
- Replace the ECM with a known good
one, and recheck; refer to Key Registra­
tion Procedures (page 21-6)
- Faulty MAP sensor
"O".
2.7 -3.1 V (20 ° C/68
- Intermittent failure
- GO TO STEP 2.
TEST HARNESS PIN BOX
(A TERMINALS)
\
TEST HARNESS PIN BOX
(A TERMINALS)
\
TEST HARNESS PIN BOX
(A TERMINALS)
°
F)
(89)
TEST HARNESS PIN BOX
(B TERMINALS)
(89)
TEST HARNESS PIN BOX
(8 TERMINALS)
(A18)
TEST HARNESS PIN BOX
(B TERMINALS)