Vehicle: 2008 Toyota Camry, L4-2.4L
(2AZ-FE), Automatic Transaxle
Problem: The vehicle was towed in for a
crank, no start condition.
Details: The technician verified that there
was no fuel pressure. All the fuses had battery (B+) voltage and
none were open or missing. It was the original fuel pump, so the
vehicle’s owners wanted it replaced along with a fuel filter.
After replacing the fuel pump and filter, the engine still
The technician checked for DTCs – there were none. Next, he did
some testing with his DVOM and discovered that the fuel pump was
not getting B+ voltage on the GRY E12 wire from the C/OPN relay
in the engine room junction box, located on the driver’s side of
the engine compartment.
He verified B+ voltage at the BLU wire E7, and LT GRN D12 wire.
There was a good ground at the YEL E8 wire.
The C/OPN relay had everything needed to operate the fuel
On this vehicle, the relay is integrated into the engine room
junction box, and not serviceable on its own.
Confirmed Repair: He replaced the engine
room junction box. After that, the engine started and ran