Toyota Celica 2005 Repair Manual page 763

DI−564
INSPECTION PROCEDURE
HINT:
When the throttle position is slightly opened (the accelerator pedal is slightly depressed) because a
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floor carpet is overlapped on the accelerator pedal, or if the accelerator pedal is not fully released, etc.,
DTC P505 may be detected.
Read freeze frame data using the hand−held tester or the OBD II scan tool. Freeze frame data records
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the engine conditions when a malfunction is detected. When troubleshooting, freeze frame data can
help determine if the vehicle was running or stopped, if the engine was warmed up or not, if the air−fuel
ratio was lean or rich, as well as other data from the time when a malfunction occurred.
1 Are there any other codes (besides P0505) being output?
PREPARATION:
(a) Connect the hand−held tester or the OBD II scan tool to the DLC3.
(b) Turn the ignition switch ON and push the hand−held tester or the OBD II scan tool main switch ON.
(c) On the hand−held tester or the OBD II scan tool, enter the following menus: DIAGNOSIS / ENHANCED
OBD II / DTC INFO / CURRENT CODES.
CHECK:
Read the DTC using the hand−held tester or the OBD II scan tool.
RESULT:
Display (DTC Output)
P0505 and other DTCs
HINT:
If any other codes besides P0505 is output, perform the troubleshooting for those codes first.
A
2 Check connection of PCV piping.
OK
2005 CELICA (RM1131U)
DIAGNOSTICS
P0505
− ENGINE (2ZZ−GE)
B Go to relevant DTC chart (See page DI−335).
NG Repair or replace PCV piping.
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Proceed to
A
B