Manual sections
Wiring diagrams- Abbreviations
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Repair manual
Testing & Diagnostics Toyota Sienna I
Step-by-step instructions on "Testing & Diagnostics" for Toyota Sienna I (1997–2003). Pick an article — removal, installation, adjustment and diagnostics with illustrations.
5subsections
52articles
216illustrations
Engine Control System Self-Diagnostics
40 articles- Engine Control System Self-Diagnostics: Diagnosis 14
- DTC P0100: MASS AIRFLOW (MAF) METER CIRCUIT
- DTC P0101: MASS AIRFLOW (MAF) METER CIRCUIT RANGE/PERFORMANCE
- DTC P0110: INTAKE AIR TEMPERATURE (IAT) SENSOR CIRCUIT
- DTC P0115: ENGINE COOLANT TEMPERATURE (ECT) SENSOR CIRCUIT
- DTC P0116: ENGINE COOLANT TEMPERATURE (ECT) SENSOR CIRCUIT RANGE/PERFORMANCE
- DTC P0120: THROTTLE POSITION (TP) SENSOR CIRCUIT
- DTC P0121: THROTTLE POSITION (TP) SENSOR CIRCUIT RANGE/PERFORMANCE
- DTC P0125: INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL (EXCEPT CALIF. EMISSIONS)
- DTC P0125: INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL (CALIF. EMISSIONS)
- DTC P0130 OR P0150: HEATED OXYGEN SENSOR NO. 1 CIRCUIT (EXCEPT CALIF. EMISSIONS)
- DTC P0133 OR P0153: HEATED OXYGEN SENSOR NO. 1 CIRCUIT SLOW RESPONSE (EXCEPT CALIF. EMISSIONS)
- DTC P0135 OR P0155: HEATED OXYGEN SENSOR NO. 1 HEATER CIRCUIT (EXCEPT CALIF. EMISSIONS)
- DTC P0136: HEATED OXYGEN SENSOR NO. 2 CIRCUIT
- DTC P0141: HEATED OXYGEN SENSOR NO. 2 HEATER CIRCUIT
- DTC P0150: HEATED OXYGEN SENSOR NO. 1 CIRCUIT (EXCEPT CALIF. EMISSIONS)
- DTC P0153: HEATED OXYGEN SENSOR NO. 1 CIRCUIT SLOW RESPONSE (EXCEPT CALIF. EMISSIONS)
- DTC P0155: HEATED OXYGEN SENSOR NO. 1 HEATER CIRCUIT (EXCEPT CALIF. EMISSIONS)
- DTC P0171 OR P0172: SYSTEM TOO LEAN/RICH (EXCEPT CALIF. EMISSIONS)
- DTC P0171 OR P0172: SYSTEM TOO LEAN/RICH (CALIF. EMISSIONS)
- DTC P0300: RANDOM MISFIRE DETECTED
- Engine Control System Self-Diagnostics: Other
- DTC P0325 OR P0330: KNOCK SENSOR NO. 1 OR 2 CIRCUIT
- DTC P0335 OR P1335: CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT
- DTC P0340: CAMSHAFT POSITION (CMP) SENSOR CIRCUIT
- DTC P0420: CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD (EXCEPT CALIF. EMISSIONS)
- DTC P0420: CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD (CALIF. EMISSIONS)
- DTC P0440: EVAPORATIVE EMISSION CONTROL SYSTEM
- DTC P0441: INCORRECT EVAP PURGE FLOW, OR DTC P0446: EVAP VENT CONTROL CIRCUIT
- DTC P0450: EVAP PRESSURE SENSOR CIRCUIT, OR DTC P0451: EVAP PRESSURE SENSOR RANGE/PERFORMANCE
- DTC P0500: VEHICLE SPEED SENSOR CIRCUIT
- DTC P0505: IDLE AIR CONTROL (IAC) SYSTEM CIRCUIT
- DTC P1130 OR P1150: AIR/FUEL SENSOR CIRCUIT RANGE/PERFORMANCE (CALIF. EMISSIONS)
- DTC P1133 OR P1153: AIR/FUEL SENSOR CIRCUIT RESPONSE (CALIF. EMISSIONS)
- DTC P1135 OR P1155: AIR/FUEL SENSOR HEATER CIRCUIT (CALIF. EMISSIONS)
- DTC P1300: IGNITOR CIRCUIT
- DTC P1335: CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT
- DTC P1520: STOPLIGHT SWITCH SIGNAL CIRCUIT (A/T ONLY)
- DTC P1600: ECM BATT CIRCUIT
- DTC P1780: PARK/NEUTRAL POSITION (PNP) SWITCH CIRCUIT (A/T ONLY)