Toyota Celica 2005 Repair Manual page 334

1 Are there any other codes (besides DTC P0134) 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) When using hand−held tester, enter the following menus: DIAGNOSIS / ENHANCED OBD II / DTC
INFO / CURRENT CODES."
CHECK:
Read the DTCs.
RESULT:
P0134 and other DTCs
HINT:
If any other codes besides P0134 are output, perform the troubleshooting for those DTCs first.
A
2 Connect the OBD II scan tool or hand−held tester and read value for voltage out-
put of oxygen sensor (bank 1 sensor 1).
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) When using hand−held tester, enter the following menus: DIAGNOSIS / ENHANCED OBD II / DATA
LIST / ALL / O2S B1S1."
(d) Warm up the engine to the normal operating engine coolant temperature above 75_C (169_F).
CHECK:
Read the output voltage of the heated oxygen sensor when the engine speed is suddenly increased.
HINT:
Quickly accelerate the engine to 4,000 rpm 3 times by using the accelerator pedal.
OK:
Heated oxygen sensor outputs a RICH signal (0.45 V or more) at least once.
NG
2005 CELICA (RM1131U)
DIAGNOSTICS
Display (DTC output)
P0134
− ENGINE (1ZZ−FE)
B Go to relevant DTC chart (See page DI−42).
OK Go to step 12.
333
Proceed to
A
B
DI−135