On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. REMOVE FUEL PUMP RELAY (F/PMP) (a) Remove the fuel pump relay from the engine room relay block. 2. INSPECT FUEL PUMP RELAY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the fuel pump relay. 3. INSTALL FUEL PUMP RELAY (a) Install the fuel pump relay to the engine room relay block. |
Toyota Tundra Service Manual > Navigation System: Vehicle Speed Signal Circuit between Navigation Receiver Assembly and Combination Meter
DESCRIPTION The navigation receiver assembly receives a vehicle speed signal from the combination meter assembly to control the ASL function. HINT: A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter assembly. The signal is changed to a pulse signal at the transi ...