|
|
Content .. 1668 1669 1670 1671 ..
(a) Connect the Techstream to the DLC3. (b) Start the engine. (c) Turn the Techstream on. (e) Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Injection Volume for A/F Sensor. (f) Perform the Control the Injection Volume operation with the engine idling. HINT: INJECTION VOLUME STATUS VOLTAGE AFS Voltage B1S1 or AFS Voltage B2S1 (Air fuel ratio) +12.5% Rich Below 3.1 V -12.5% Lean Higher than 3.4 V O2S B1S2 or O2S B2S2 (Heated oxygen) +12.5% Rich Higher than 0.55 V -12.5% Lean Below 0.4 V Result STATUS OF AFS VOLTAGE B1S1 OR AFS VOLTAGE B2S1 STATUS OF O2S B1S2 OR O2S B2S2 AIR FUEL RATIO CONDITION AND AIR FUEL RATIO SENSOR CONDITION SUSPECTED TROUBLE AREA PROCEED TO Lean/Rich Lean/Rich Normal - A Lean Lean Actual air fuel ratio lean PCV valve and hose PCV hose connections Fuel injector blockage Gas leaks from exhaust system Air induction system Fuel pressure Mass air flow meter Engine coolant temperature sensor A 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: Fuel Injectio... |