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Fig. 128: Identifying Terminals Of D74 ECM Connector b. Turn the ignition switch to ON. c. Measure the voltage according to the value(s) in the table below. Standard voltage VOLTAGE SPECIFIED CONDITION NG: GO TO FUEL INJECTOR CIRCUIT OK: Go to Next Step 28. CHECK FUEL INJECTOR OF MISFIRING CYLINDER a. Check the injector injection [whether fuel volume is high or low, and whether injection pattern is poor] (see INSPECTION ). NG: REPLACE FUEL INJECTOR ASSEMBLY (See REMOVAL ) OK: REPLACE ECM (See REMOVAL ) 29. CHANGE TO NORMAL SPARK PLUG AND CHECK SPARK OF MISFIRING CYLINDER a. Change the installed spark plug to a spark plug that functions normally. Tester Connection Switch Condition Specified Condition D74-86 (#10) - D74-43 (E01) Ignition switch ON 11 to 14 V D74-109 (#20) - D74-43 (E01) Ignition switch ON 11 to 14 V D74-85 (#30) - D74-43 (E01) Ignition switch ON 11 to 14 V D74-108 (#40) - D74-43 (E01) Ignition switch ON 11 to 14 V D74-84 (#50) - D74-43 (E01) Ignition switch ON 11 to 14 V D74-107 (#60) - D74-43 (E01) Ignition switch ON 11 to 14 V D74-83 (#70) - D74-43 (E01) Ignition switch ON 11 to 14 V D74-106 (#80) - D74-43 (E01) Ignition switch ON 11 to 14 V
2009 Toyota Tundra 2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra
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