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b. Measure the resistance according to the value (s) in the table below. Standard resistance RESISTANCE SPECIFIED CONDITIONS NG: REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to Next Step 4. INSPECT ECM (IGSW VOLTAGE) a. Disconnect the A24 and D74 ECM connectors. Fig. 294: Identifying A24 And D74 ECM 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: Go to step 5 OK: REPLACE ECM (See REMOVAL ) Tester Connection Condition Specified Condition D74-81 (E1) - Body ground Always Below 1 ohms Tester Connection Switch Condition Specified Condition A24-28 (IGSW) - D74-81 (E1) Ignition switch ON 11 to 14 V
2009 Toyota Tundra 2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra
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