Mazdaspeed6 L4-2.3L Turbo (2006)
Power Steering Pressure Switch: Testing and Inspection
POWER STEERING PRESSURE (PSP) SWITCH INSPECTION [L3 WITH TC]
NOTE: Perform the following inspection only when directed.
Continuity Inspection
1. Inspect the following if the power steering is inoperative:
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Power steering fluid level
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Power steering fluid leakage
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Power steering fluid pressure
2. Disconnect the PSP switch connector.
3. Start the engine.
4. Inspect for continuity between the PSP switch terminal and ground using a tester.
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If not as specified, replace the PSP switch.
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If the PSP switch is normal, but PID value is out of specification, perform the "Circuit Open/Short Inspection".
Circuit Open/Short Inspection
1. Disconnect the PCM connector.
2. Inspect the following harnesses for an open or short circuit. (Continuity check)
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 and PCM terminal 1Z
Short circuit
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If there is no continuity, there is a short circuit. Repair or replace the wiring harness.
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PSP switch terminal and body ground
