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② Trouble checklist of trouble code
Table 1
Trouble Code
C1 200(11) C1 203(21)
C1 206(31) C1 209(41)
Possible Case
Open-circuit/short-circuit of sensor:
At short-circuit or open-circuit
of battery anode or cathode of
sensor.
Note: If the malfunctions corresponding to
more than 2 trouble codes can be determined,
after the trouble codes are deleted (erasable
trouble codes), drive the vehicle to above
40km/h to determine the malfunctions to that
the trouble codes correspond and check in
accordance with the registered trouble codes
(determine the same one trouble code).
Troubleshooting
Flow
No
No
Yes
Yes
Yes
Harness
Sensor
Sensor Head
Is status good?
Remove the connector from the
harness and sensor, confirm the
assembling status, and check the
pins for deviation
Correct the co
assemble the connector
still present?
replace wiring
Determine if the two lines between
harness side pin A and connecto
of sensor assembly are powered
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