Manual sections
Wiring diagrams- Abbreviations
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Repair manual
Testing & Diagnostics Lexus GS II
Step-by-step instructions on "Testing & Diagnostics" for Lexus GS II (1997–2000). Pick an article — removal, installation, adjustment and diagnostics with illustrations.
4subsections
46articles
53illustrations
Engine Controls - Basic Testing
4 articlesEngine Controls - Tests W/codes
35 articles- Engine Controls - Tests W/codes: Overview
- DTC P0300-P0308 Detection Logic
- Engine Controls - Tests W/codes: Diagnosis 13
- Engine Controls - Tests W/codes: Component Locations
- Engine Controls - Tests W/codes: Other
- 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 P0125: INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL
- DTC P0130 OR P0150: HEATED OXYGEN SENSOR
- DTC P0133 OR P0153: HEATED OXYGEN SENSOR
- DTC P0135, P0141, P0155 OR P0161: HEATED OXYGEN SENSOR
- DTC P0136 OR P0156: HEATED OXYGEN SENSOR
- DTC P0171 OR P0172: FUEL TRIM
- DTC P0325 OR P0330: KNOCK SENSOR
- DTC P0335 OR P1335: CRANKSHAFT POSITION (CKP) SENSOR
- DTC P0340: CAMSHAFT POSITION (CMP) SENSOR CIRCUIT
- DTC P0420 OR P0430: CATALYST SYSTEM
- DTC P0440: EVAP SYSTEM MALFUNCTION
- DTC P0441 OR P0446: EVAP
- DTC P0450 OR P0451: EVAP PRESSURE SENSOR
- DTC P0500: VEHICLE SPEED SENSOR (VSS) MALFUNCTION
- DTC P1120: ACCELERATOR POSITION SENSOR CIRCUIT MALFUNCTION
- DTC P1125: THROTTLE CONTROL MOTOR CIRCUIT MALFUNCTION
- DTC P1126: ELECTROMAGNETIC CLUTCH CIRCUIT MALFUNCTION
- DTC P1127: ELECTRIC THROTTLE CONTROL SYSTEM (ETCS) ACTUATOR POWER SOURCE CIRCUIT MALFUNCTION
- DTC P1129: ELECTRIC THROTTLE CONTROL SYSTEM (ETCS) MALFUNCTION
- DTC P1300: IGNITOR CIRCUIT MALFUNCTION
- DTC P1349: VARIABLE VALVE TIMING (VVT) SYSTEM MALFUNCTION
- DTC P1520: STOPLIGHT SWITCH SIGNAL MALFUNCTION
- DTC P1600: ECM BATT MALFUNCTION
- DTC P1633: ELECTRIC THROTTLE CONTROL SYSTEM (ETCS) CIRCUIT ECM MALFUNCTION
- DTC P1645: BODY ECU MALFUNCTION
- DTC P1656: OIL CONTROL VALVE (OCV) CIRCUIT MALFUNCTION
- DTC P1780: PARK/NEUTRAL POSITION SWITCH MALFUNCTION