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a. Connect the Techstream to the DLC3. b. Turn the ignition switch ON. c. Turn the Techstream ON. d. Enter the following menus: Powertrain/Engine and ECT/Trouble Codes. e. Read the DTCs. Result RESULT CHART HINT: If any DTCs other than P050A are output, troubleshoot those DTCs first. NG : GO TO DTC CHART (See DIAGNOSTIC TROUBLE CODE CHART ) OK : Go to next step. 2. READ VALUE USING TECHSTREAM (FUEL TRIM) HINT: Calculate the total fuel trim values to check the characteristic deviation of the mass air flow meter. a. Connect the Techstream to the DLC3. b. Turn the ignition switch ON. c. Turn the Techstream ON. d. Enter the following menus: Powertrain/Engine and ECT/Data List/A/F Control System/Short FT #1 and Long FT #1, or Short FT #2 and Long FT #2. e. Read the values displayed on the Techstream. f. Add together the Short FT #1 and Long FT #1, or Short FT #2) and Long FT #2 values to obtain the total Fuel Trim OK: Total of Short FT #1 and Long FT #1, or Short FT #2 and Long FT #2 values is between NG : Go to step 5 OK : Go to next step. 3. CHECK THROTTLE BODY Display (DTC Output) Proceed To P050A A P050A and other DTCs B
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra
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