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 > Can Communication System: Check Bus 3 Line for Short to +B
DESCRIPTION There may be a short circuit between one of the CAN bus wires and +B when no resistance exists between terminal 6 (CA3H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 21 (CA3L) of the central gateway ECU (network gateway ECU) and terminal ...
