POWER STEERING PRESSURE (PSP) SWITCH INSPECTION [MZR-CD (RF Turbo)]


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Note
•  Perform the following inspection only when directed.

Continuity Inspection

1.  Inspect the following if the power steering is inoperative:

•  Power steering fluid level
•  Power steering fluid leakage
•  Power steering fluid pressure

2.  Disconnect the PSP switch connector.

3.  Start the engine.

4.  Inspect for continuity between PSP switch terminal A and body GND using an ohmmeter.

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•  If the PSP switch is okay, perform the “Circuit Open/Short Inspection”.
•  If not as specified, replace the PSP switch. (See POWER STEERING OIL PUMP DISASSEMBLY/ASSEMBLY [MZR-CD (RF Turbo)].)

Specification

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Circuit Open/Short Inspection

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1.  Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [MZR-CD (RF Turbo)].)

2.  Inspect the following harnesses for open or short circuit. (Continuity check)


Open circuit

•  PSP switch terminal A and PCM terminal 111


Short circuit

•  PSP switch terminal A and power supply
•  PSP switch terminal A and body ground