Toyota Celica 2005 Repair Manual page 772

INSPECTION PROCEDURE
HINT:
Read freeze frame data using the hand−held tester or the OBD II scan tool. Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, freeze frame data can help deter-
mine 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.
Hand−held tester:
1 Check STA signal.
PREPARATION:
(a) Connect the hand−held tester to the DLC3.
(b) Turn the ignition switch ON and push the hand−held tester main switch ON.
(c) Enter the following menu: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL / STARTER SIG.
CHECK:
Read the STA signal on the hand−held tester while the starter is operating.
OK:
Ignition Switch Position
STA Signal
NG
2 Check park/neutral position switch or clutch start switch.
(a) Inspect the park/neutral position switch (A/T)(See page DI−701).
(b) Inspect the clutch start switch (M/T)(See page CL−2).
OK
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (2ZZ−GE)
ON
OFF
OK Go to step 5.
NG Replace park/neutral position switch or clutch
start switch. Go to next step 5 after the replace-
ment.
771
DI−573
START
ON