POWER STEERING PRESSURE (PSP) SWITCH INSPECTION[ZJ, ZY, Z6]

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Without Throttle Valve Actuator Only

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:

•  Power steering fluid amount (See POWER STEERING FLUID INSPECTION.)

•  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.

•  If not as indicated in the table, replace the CPP switch. (See POWER STEERING OIL PUMP DISASSEMBLY/ASSEMBLY[ZJ, Z6].)

•  If the monitor item condition/specification (reference) is not within the specification, even though there is no malfunction, perform the “Circuit Open/Short Inspection”.

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Circuit open/short inspection

1.  Remove the PCM connector cover.

2.  Disconnect the PCM connector. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION[ZJ, ZY, Z6].)

3.  Inspect the following wiring harness for open or short circuit (continuity check).

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Open circuit

•  If there is no continuity, there is an open circuit. Repair or replace the wiring harness.

―  PSP switch terminal A and PCM terminal 2AC

Short circuit

•  If there is continuity, there is a short circuit. Repair or replace the wiring harness.

―  PSP switch terminal A and body ground