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EC-1686
[YD (WITHOUT EURO-OBD)]
DTC P0642, P0643 SENSOR POWER SUPPLY
DTC P0642, P0643 SENSOR POWER SUPPLY PFP:18002
On Board Diagnosis Logic BBS002D5
The MI will not light up for these self-diagnoses.
DTC Confirmation Procedure BBS002D6
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-II
1. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Wait at least 5 seconds.
4. If DTC is detected, go to EC-1689, "
Diagnostic Procedure" .
WITHOUT CONSULT-II
1. Turn ignition switch ON and wait at least 5 seconds.
2. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
3. Perform Diagnostic Test Mode II (Self-diagnostic results) with ECM.
4. If DTC is detected, go to EC-1689, "
Diagnostic Procedure" .
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0642
0642
Sensor power supply cir-
cuit low
ECM detects a voltage of power source for sen-
sor is excessively low.
● Harness or connectors
(The APP sensor 1 power supply cir-
cuit is shorted.)
(Crankshaft position sensor circuit is
shorted.)
● Accelerator pedal position sensor
(Accelerator pedal position sensor 1)
● Crankshaft position sensor
P0643
0643
Sensor power supply cir-
cuit high
ECM detects a voltage of power source for Sen-
sor is excessively high.
SEF817Y
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