Toyota Celica 2005 Repair Manual page 604

TYPICAL ENABLING CONDITIONS
Item
The monitor will run whenever this DTC is
not present
Fuel cut
TYPICAL MALFUNCTION THRESHOLDS
Detection Criteria
Time until "engine coolant temperature" detection temperature reaches feedback start temperature
When the temperature at engine start is 10°C (50°F) or
more
When the temperature at engine start is "−6.6°C (20°F)" to
"10°C (50°F)"
When the temperature at engine start is −6.6°C (20°F) or
less
INSPECTION PROCEDURE
HINT:
If DTCs P0115, P0116, P0117, P0118 and P0125 are output simultaneously, the engine coolant tem-
S
perature sensor circuit may be open or shorted. Perform the troubleshooting of DTC P0115, P0117
or P0118 first.
Read freeze frame data using the hand−held tester or the OBD II scan tool. Freeze frame data records
S
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 DTC P0125) 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 display of 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 DTCs.
RESULT:
Display (DTC Output)
P0125
"P0125" and other DTCs
HINT:
If any other codes besides "P0125" is output, perform the troubleshooting for those codes first.
A
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (2ZZ−GE)
Minimum
Engine coolant temperature is less than "closed−loop enable temperature"
when 2 min. or more passed after engine start
Engine coolant temperature is less than "closed−loop enable temperature"
when 5 min. or more passed after engine start
Engine coolant temperature is less than "closed−loop enable temperature"
when 20 min. or more passed after engine start
B Go to relevant DTC chart (See page DI−335).
603
Specification
See page DI−295
OFF
Threshold
Proceed to
A
B
DI−405
Maximum