um CHILL 125 cc. Service Manual page 32

Malfunction code：P0122
Information：TPS Circuit Low Voltage or Open
ITEM OPERATION
1 Connect the diagnostic tool and ignition on.
2 Check whether the data of 'Throttle opening' is between 0% - 1%.
3 Open the throttle to 100% slowly; check whether the data of 'throttle opening' goes
to between 90%-100%.
4 Repeat Step 3, check whether the data jumps when open the throttle slowly.
5 Remove the connector and check whether the following pins are short to ground or
open: J2-12, J2-16 of ECU and pin A and C of the sensor.
6 Use multimeter to check whether the voltage between pin A and B is about 5V.
CHILL 125 cc. SERVICE MANUAL AND EFI DIAGNOSTIC
RESULT
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
NEXT STEP
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Step 5
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Step 5
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Change the sensor
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Harness issue
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Step 5
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