1990 Lexus LS 400 "signal circuit rpm fault" Questions

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...signal circuit fault Code 14 Igniter signal circuit fault Code 16 ECT control signal fault Code 21 and Code 28 Main oxygen sensor fault (for ES300; SC300 & GS300 models) Code 22 Coolant ...

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Question about Lexus LS 400

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...Signal circuit - Power Steering Pressure sensor or circuit. - Neutral Start Switch circuit - Throttle Position Sensor or circuit - Idle Control Valve or circuits - ECU You can check fault codes by ...

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...signal or heater circuit fault Code 28 No. 2 oxygen sensor/heater signal fault Code 31 and 32 Air flow meter circuit or Vacuum sensor signal fault Code 34 and 36 Turbo-charging pressure signal ...

Question about Lexus LS 400

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...SIGNAL POSSIBLE CAUSE DISTRIBUTOR OR CIRCUIT ECU. CODE 52 - IS KNOCK SENSOR SIGNAL POSSIBLE CAUSE KNOCK SENSOR OR CIRCUIT ECU. CODE 71 - IS EGR SYSTEM MALFUNCTION POSSIBLE CAUSE EGR SYSTEM EGR TEMP ...

...signal circuit / No signal to ECU 15 Ignition Output signal Open or shorted ignition output signal circuit 16 Fuel Injector Circuit Open or shorted fuel injector circuit 17 VSS circuit VSS sensor or ...

...signal fault 19-Fuel pump circuit fault (short) 30-Idle speed control (isc) motor rpm out of range 41-Camshaft position sensor (CMP) or circuit fault 52-Electric control module (ECM) reset 91-Park ...

...SIGNAL CIRCUIT -(Kl) MAP SIGNAL CIRCUIT SHORTED TO GROUND -RESISTANCE IN THE (FS55) 5-VOLT SUPPLY CIRCUIT -(FS55) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND -RESISTANCE IN THE (K22) TP SENSOR NO. 1 ...

Question about Lexus LS 400

1 Answer

...circuit of ignition system fault. CODE002: 35 Turbine charger pressure sensor signal abnormal (ECU cannot receive air intake pressure or temperature signal for more than 0.5 second while idling) (1) ...

circuit, no signal 25. ATS circuit, out or range high 26. Quad Driver output fault 32. EGR system fault 33. MAP sensor circuit, out of range high 34. MAP sensor circuit, out of range low 35. IAC valve

Question about Lexus LS 400

1 Answer

circuit A. Sets after clearing, data shows no glitches in signal and reads steady rpm value at idle and when off idle. No other codes. Circuit test seems waste of time seeing that data is correct. One

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