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Wiring diagrams- Abbreviations
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Repair manual
Testing & Diagnostics Lexus LS II
Step-by-step instructions on "Testing & Diagnostics" for Lexus LS II (1994–2000). Pick an article — removal, installation, adjustment and diagnostics with illustrations.
4subsections
45articles
39illustrations
Engine Controls - Tests W/codes
35 articles- Engine Controls - Tests W/codes: Overview
- Engine Controls - Tests W/codes: Diagnosis 7
- Engine Controls - Tests W/codes: Component Locations
- Engine Controls - Tests W/codes: Other 1
- DTC P0100: MASS AIRFLOW (MAF) SENSOR CIRCUIT
- DTC P0110: INTAKE AIR TEMPERATURE (IAT) SENSOR CIRCUIT
- DTC P0115: ENGINE COOLANT TEMPERATURE (ECT) SENSOR CIRCUIT
- DTC P0120: THROTTLE POSITION (TP) SENSOR CIRCUIT MALFUNCTION
- DTC P0121: THROTTLE POSITION (TP) SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM
- DTC P0125: INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL
- DTC P0130 & P0150 - HEATED OXYGEN SENSOR FAULT
- DTC P0133 & P0153: HEATED OXYGEN SENSOR
- DTC P0135, P0141, P0155 & P0161: HEATED OXYGEN SENSOR CIRCUIT
- DTC P0136 & P0156: HEATED OXYGEN SENSOR CIRCUIT
- DTC P0171 & P0172: SYSTEM TOO LEAN OR RICH (FUEL TRIM)
- DTC P0325 & P0330: KNOCK SENSOR CIRCUIT
- DTC P0335 OR P1335: CRANKSHAFT POSITION (CKP) SENSOR "A" CIRCUIT
- DTC P0340: CAMSHAFT POSITION (CMP) SENSOR CKT MALFUNCTION
- DTC P0401: INSUFFICIENT EXHAUST GAS RECIRCULATION (EGR) FLOW DETECTED
- DTC P0402: EXCESSIVE EGR FLOW DETECTED
- DTC P0403: EGR CIRCUIT MALFUNCTION
- DTC P0420 OR P0430: CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD
- DTC P0440: EVAP SYSTEM MALFUNCTION
- DTC P0441 & P0446: EVAP SYSTEM MALFUNCTION
- DTC P0450: EVAP PRESSURE SENSOR MALFUNCTION
- DTC P0500: VEHICLE SPEED SENSOR (VSS) MALFUNCTION
- DTC P0505: IDLE CONTROL SYSTEM MALFUNCTION
- DTC P0510: CLOSED THROTTLE POSITION (CTP) SWITCH MALFUNCTION
- DTC P1100: BAROMETRIC PRESSURE (BARO) SENSOR CKT MALFUNCTION
- DTC P1200: FUEL PUMP RELAY CIRCUIT MALFUNCTION
- DTC P1300 OR P1305: IGNITOR CIRCUIT MALFUNCTION
- DTC P1400: SUB-THROTTLE POSITION (SUB-TP) SENSOR MALFUNCTION
- DTC P1401: SUB-THROTTLE POSITION (SUB-TP) SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM
- DTC P1520: STOPLIGHT SWITCH SIGNAL MALFUNCTION
- DTC P1600: ECM BATT MALFUNCTION