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(P0123) APPS SIGNAL 1 CIRCUIT HIGH (CONTINUED)
3.
MEASURE THE APP SENSOR SIGNAL 1 VOLTAGE
Turn the ignition off.
Disconnect the APP Sensor harness connector.
Note: Check connectors — Clean/repair as necessary.
Turn the ignition on.
Measure the voltage of the APP Sensor Signal 1 circuit at the APP
Sensor harness connector.
Is the voltage below 0.05 volt?
Yes
>> Go To 4
No
>> Go To 7
4.
MEASURE THE RESISTANCE BETWEEN GROUND AND THE SENSOR GROUND CIRCUIT
Turn the ignition off.
Measure the resistance between ground and the Sensor Ground cir-
cuit at APP Sensor harness connector cavity 6.
Is the resistance below 5.0 ohms?
Yes
>> Go To 5
No
>> Go To 6
ENGINE - ELECTRICAL DIAGNOSTICS 9 - 107
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