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F–58 CONTROL SYSTEM Circuit Open/Short Inspection (Heater) 1. Disconnect the PCM connector. (See 2. Inspect the following wiring harnesses for open or short. (Continuity check) Open circuit • If there is no continuity, the circuit is open. Repair or replace the harness. switch — HO2S terminal D (harness-side) and PCM terminal 4A (harness-side) Rear switch — HO2S terminal D (harness-side) and PCM terminal 4D (harness-side) Short circuit • If there is no continuity, the circuit is shorted. Repair or replace the harness. Front and rear End Of Sie POWER STEERING PRESSURE (PSP) SWITCH INSPECTION A6E394032230W01 Note • Perform the following inspection only when directed. Continuity Inspection 1. Inspect the following if the power steering is inoperative (See N–4 POWER STEERING FLUID INSPECTION .): • Power steering fluid level • Power steering fluid leakage • Power steering fluid pressure 2. Disconnect the PSP switch connector. • If not as specified, replace the PSP switch. • If the PSP switch is okay, but PSP PID value is out of specification, perform the “Circuit Open Inspection”. Specification Circuit Open Inspection 1. Disconnect the PCM connector. (See 2. Inspect the following harness for open or short. (Continuity check) Open circuit • If there is no continuity, the circuit is open. Repair or replace the harness. — PSP switch terminal (harness-side) and PCM terminal 1Z (harness-side) Short circuit • If there is continuity, the circuit is shorted. Repair or replace the harness. — PSP switch terminal (harness-side) and body GND End Of Sie A6E3940W018 A6E3940W019 |