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b. Measure the resistance according to the value(s) in the table below. Standard resistance STANDARD RESISTANCE SPECIFICATION TABLE Fig. 77: Identifying A25 4WD Control ECU Connector Terminals NG: REPAIR OR REPLACE 4WD CONTROL ECU BRANCH WIRE OR CONNECTOR OK: Go to Next Step 3. CHECK HARNESS AND CONNECTOR (4WD CONTROL ECU - BATTERY AND BODY GROUND) a. Reconnect the cable to the negative (-) battery terminal before measuring the resistances of the main wire and the branch wire. b. Disconnect the A26 4WD control ECU connector. c. Measure the resistance according to the value(s) in the table below. Standard resistance STANDARD RESISTANCE SPECIFICATION TABLE d. Measure the voltage according to the value(s) in the table below. Tester Connection Switch Condition Specified Condition A25-19 (CANH) - A25-20 (CANL) Ignition switch OFF 54 to 69 ohms Tester Connection Condition Specified Condition A26-4 (GND) - Body ground Always Below 1 ohms
2009 Toyota Tundra 2009 ACCESSORIES & EQUIPMENT CAN Communication - Tundra
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