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DTC P0642, P0643 SENSOR POWER SUPPLY
EC-1311
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
2. CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor harness
connector.
2. Turn ignition switch ON.
3. Check voltage between APP sensor terminal 6 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors.
3. CHECK SENSOR POWER SUPPLY CIRCUITS
Check the following.
Harness for short to power and short to ground, between the following terminals.
OK or NG
OK >> GO TO 4.
NG >> Repair short to ground or short to power in harness or connectors.
4. CHECK CRANKSHAFT POSITION SENSOR
Refer to EC-1201, "
Component Inspection" .
OK or NG
OK >> GO TO 5.
NG >> Replace crankshaft position sensor.
5. CHECK APP SENSOR
Refer to EC-1119, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace accelerator pedal assembly.
6. CHECK INTERMITTENT INCIDENT
Refer to EC-1058, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>> INSPECTION END
PBIB1893E
Voltage: Approximately 5.3V
PBIB0914E
ECM terminal Sensor terminal Reference Wiring Diagram
82
APP sensor terminal 6 EC-1308
Crankshaft position sensor terminal 1 EC-1197
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