On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT MAIN BODY ECU (ACC RELAY) ![]() (a) Measure the resistance of the ACC relay circuit. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the main body ECU. |
Toyota Tundra Service Manual > Trailer Brake Control System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS (a) Interview the customer and confirm the problem. Click here NEXT 3. CHECK DTC AND FREEZE FRAME DATA* (a) Check and record DTCs and Freeze Frame Data. for DTC Check / Cle ...