MX-5 Miata L4-2.0L (2008)
Accelerator Pedal Position Sensor: Testing and Inspection
ACCELERATOR PEDAL POSITION (APP) SENSOR INSPECTION [LF]
NOTE: Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flowchart. (See HOW TO
USE THIS MANUAL.)
1. Connect the M-MDS to the DLC-2.
2. Turn the ignition switch to the ON position.
3. Select APP1 and APP2 PID on the M-MDS.
4. Verify that the APP1 and APP2 PID is within the specification when the accelerator pedal not depressed. (See PCM INSPECTION [LF].) See:
Testing and Inspection/Scan Tool Testing and Procedures/Not Using the M-MDS
Circuit Open/Short Inspection
1. Disconnect the PCM connector.
2. Disconnect the APP sensor connector.
3. Inspect the following wiring harnesses for an open or short circuit. (Continuity inspection)
Open circuit
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If there is no continuity in the following wiring harnesses, there is an open circuit. Repair or replace the wiring harness.
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APP sensor terminal A and PCM terminal 1AJ
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APP sensor terminal B and PCM terminal 1AV
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APP sensor terminal C and PCM terminal 1AP
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APP sensor terminal D and PCM terminal 1AL
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APP sensor terminal E and PCM terminal 1AS
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APP sensor terminal F and PCM terminal 1AO
Short circuit