MX-5 Miata L4-2.0L (2008)
Power Steering Pressure Switch: Testing and Inspection
POWER STEERING PRESSURE (PSP) SWITCH 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.)
Continuity Inspection
1. Inspect the following items:
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Power steering fluid amount (See POWER STEERING FLUID INSPECTION.)
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Power steering-related inspection (See STEERING LOCATION INDEX.)
2. Disconnect the PSP switch connector.
3. Start the engine.
4. Verify that the continuity between PSP switch terminal A and body ground is as indicated in the table.
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If not as indicated in the table, replace the CPP switch.
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If the monitor item condition/specification (reference) is not within the specification, even though there is no malfunction, perform the "Circuit
Open/Short Inspection".
Circuit Open/Short Inspection
1. Disconnect the PCM connector.
2. Inspect the following wiring harness for open or short circuit (continuity Inspection).
Open circuit
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If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
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PSP switch terminal A and PCM terminal 2T
Short circuit
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If there is continuity, there is a short circuit. Repair or replace the wiring harness.
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PSP switch terminal A and body ground