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Fig. 253: Identifying D48 And D50 Or D52 And D54 AID Connector Terminals b. Measure the resistance according to the value (s) in the table below. Standard resistance RESISTANCE SPECIFIED CONDITIONS c. Turn the ignition switch to ON. d. Measure the voltage according to the value (s) in the table below. Standard voltage VOLTAGE SPECIFIED CONDITION NG: REPAIR OR REPLACE AIR INJECTION CONTROL DRIVER POWER SOURCE OK: Go to Next Step 9. CHECK HARNESS AND CONNECTOR (ECM - AIR INJECTION CONTROL DRIVER) a. Disconnect the D74 ECM connector. b. Disconnect the D50 or D54 AID connector. Tester Connection Condition Specified Condition D50-1 (E) - Body ground Always Below 1 ohms D54-1 (E2) - Body ground Always Below 1 ohms Tester Connection Switch Condition Specified Condition D48-1 (BATT) - Body ground Always 11 to 14 V (near battery voltage) D50-5 (+B) - Body ground Ignition switch ON 11 to 14 V (near battery voltage) D52-1 (BAT2) - Body ground Always 11 to 14 V (near battery voltage) D54-5 (+B2) - Body ground Ignition switch ON 11 to 14 V (near battery voltage)
2009 Toyota Tundra 2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra
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