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Fig. 186: Identifying EFI No. 1 Fuse NG : CHECK FOR SHORTS IN ALL HARNESSES AND CONNECTORS CONNECTED TO OK : Go To Next Step 2. CHECK HARNESS AND CONNECTOR (EFI NO. 1 FUSE - ECM, BATTERY) a. Check the harness and the connector between the EFI NO. 1 fuse and ECM. 1. Remove the EFI NO. 1 fuse from the engine room relay block. 2. Disconnect the A24 ECM connector. 3. Measure the resistance according to the value (s) in the table below. Standard resistance STANDARD RESISTANCE SPECIFICATION b. Check the harness and the connector between the EFI NO. 1 fuse and battery. 1. Remove the EFI NO. 1 fuse from the engine room relay block. 2. Disconnect the positive battery terminal. 3. Measure the resistance according to the value (s) in the table below. Standard resistance STANDARD RESISTANCE SPECIFICATION Tester Connection Condition Specified Condition EFI NO. 1 fuse terminal 2-A24-1 (BATT) Always Below 1 ohms EFI NO. 1 fuse terminal 2 or A24-1 (BATT) - Body ground Always 10 kohms or higher Tester Connection Condition Specified
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra
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