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2. CHECK AIR INJECTION CONTROL DRIVER (POWER SOURCE CIRCUIT) a. Disconnect the D50 or D54 AID connector. Fig. 217: Identifying D50 Or D54 AID Connector Terminals 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: REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to Next Step 3. CHECK HARNESS AND CONNECTOR (AID - ECM, BODY GROUND) a. Disconnect the A24 or D74 ECM connector. b. Disconnect the D50 or D54 AID connector. Fig. 218: Identifying A24 Or D74 ECM With D50 Or D54 AID Connector Terminals Tester Connection Switch Condition Specified Condition D50-5 (+B) - 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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