um CBF 125 - IAT Circuit Low Voltage; MAP Circuit High Voltage

CBF 125 AIR COOLING ENGINE SERVICE MANUAL
RENEGADE SPORT & SCRAMBLER X 125 EFI
104
Malfcode：P0108
Information：MAP Circuit High Voltage
Malfcode：P0112
Information：IAT Circuit Low Voltage
STEP
OPERATION
SOLVED
FOLLOWING STEP
1
Connect the diagnostic tool, and ignition on.
Next
2
check whether the data of ‘intake air temperature’ equals
to the real intake air temperature.
Yes
Setp 5
No
Next
3
Remove the connector, and use the multimeter to check
whether the resistance between pin B and D is reasonable
according to the temperature.
Yes
Step 5
No
Next
4
Remove the connector and check whether the voltage
between pin B and D is about 5V.
Yes
Next
No
Check harness
5
Check whether the following pins are short battery: J2-8, J2-
10 of the ECU and pin C, D of the connector.
Yes
Change the harness
No
Next
6
Crank the engine and stay idle. Check whether the ‘intake
air temperature’ goes up when the engine temperature
goes up.
Yes
Help
No
Change the sensor.
STEP
OPERATION
SOLVED
FOLLOWING STEP
1
Connect the diagnostic tool, and ignition on.
next
2
Check the data of ‘BARO’. Make sure whether it is about
100kPa (depending on where you are)
Yes
Step 5
No
next
3
Remove the connector, and use the multimeter to check
whether the voltage between pin B and D is about 5V.
Yes
Setp 5
No
Next
4
Check whether the following pins are in short to battery: J2-
11, J2-10, J2-16 of the ECU and pin A, D, B of the connector.
Yes
Check the harness
No
Next
5
Crank the engine to stay at idle. Check whether the MAP
is between 30-50kPa. Then go to WOT, check whether the
MAP goes to about 90kPa.
Yes
Diagnotic help
No
Change the snesor