INSPECT SUB-OXYGEN SENSOR
HINT: Inspect it only when code No.27 is displayed.
(a) Cancel diagnostic code. (See page FI-26)
(b) Warm up the engine until it reaches normal operating temperature.
Drive for 5 minutes or more between 80 km/h (50 mph) and 100 km/h in 4th or 5th gear.
Drive for 5 minutes or more between 80 km/h (50 mph) and 100 km/h (62 mph) in "D" range.
(d) Following the conditions in step (c), press fully on the accelerator pedal for 2 seconds or more.
HINT: Do not exceed 100 km/h (62 mph), or diagnostic code will be cancelled.
(e) Stop the vehicle and turn the ignition switch to OFF.
(f) Carry out steps (b), (c) and (d) again to test acceleration.
If code No. 27 reappears again, check the sub-oxygen sensor circuit. If the circuit is normal, replace the sub-oxygen sensor.
3S-GTE and 5S-FE A/T
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