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 > Window Defogger System: Data List / Active Test
DATA LIST / ACTIVE TEST 1. ACTIVE TEST HINT: Using the Techstream to perform the Active Tests allows relays, VSVs and actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered befo ...
