Book: 23227143 (8-24-2010) Rev CPage58
COMPRESSOR CODE 54
Troubleshooting Steps
Action Result
Step 1:
Check all harness connections between WEDGE
and PT2 pressure sensor.
Repair harness as needed
Step 2:
Disconnect PT2 from harness and plug pressure
transducer simulator (Part No. 22168868) into the
harness connector. Check WEDGE diagnostic
display 4 to verify pressure value is between 33 psi
and 43 psi.
If pressure value on display 4
is not between 33 psi and 43
psi, check for WJDing
problems
If pressure value on display 4
is between 33 psi and 43 psi,
replace PT2 pressure sensor
Step 3:
If Steps 1 and 2 checkout OK, replace WEDGE.