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a. Disconnect the A25 4WD control ECU connector. b. Reconnect the cable to the negative (-) battery terminal. c. Select "CAN Bus Check" on the Techstream. Result RESULT REFERENCE B: Go to step 14 A: Go to next step 13. CHECK FOR OPEN IN ONE SIDE OF CAN BRANCH WIRE (4WD CONTROL ECU BRANCH WIRE) a. Measure the resistance according to the value(s) in the table below. Standard resistance STANDARD RESISTANCE SPECIFICATION TABLE Fig. 165: Identifying A25 4WD Control ECU Connector NOTE: For vehicles without 4WD, go to step 14. Result Proceed to Four Wheel Drive Control not displayed on Techstream. A Several ECUs and sensors other than Four Wheel Drive Control not displayed on B Tester Connection Switch Condition Specified Condition A25-19 (CANH) - A25-20 (CANL) Ignition switch OFF 54 to 69 ohms
2009 Toyota Tundra 2009 ACCESSORIES & EQUIPMENT CAN Communication - Tundra
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