Toyota Camry Manual page 1286

DTC P0133
DTC P0153
CIRCUIT DESCRIPTION
Refer to DTC P0125 (Insufficient Coolant Temp. for Closed Loop Fuel Control) on page DI–244.
DTC No.
Response time for heated oxygen sensor's voltage output to
P0133 change from rich to lean, or from lean to rich, is 1 sec. or more
P0153 during idling after engine is warmed up
(2 trip detection logic)
HINT:
Bank 1 refers to the bank that includes cylinder No.1. Bank 2 refers to the bank that does not include cylinder
No.1. Sensor 1 refers to the sensor closer to the engine body.
INSPECTION PROCEDURE
HINT:
Read freeze frame data using TOYOTA hand–held tester or OBD II scan tool. Because freeze frame records
the engine conditions when the malfunction is detected, when troubleshooting it is useful for determining
whether the vehicle was running or stopped, the engine warmed up or not, the air–fuel ratio lean or rich, etc.
at the time of the malfunction.
1 Are there any other codes (besides DTC P0133, P0153) being output ?
NO
DIAGNOSTICS
Heated Oxygen Sensor Circuit Slow
Response (Bank 1 Sensor 1) (Ex. CA Spec.)
Heated Oxygen Sensor Circuit Slow
Response (Bank 2 Sensor 1) (Ex. CA Spec.)
DTC Detecting Condition
YES
– ENGINE (1MZ–FE)
D Heated oxygen sensor
D Fuel trim malfunction
Go to relevant DTC chart.
Author :
Trouble Area
Date :
DI–259
DI4DQ–01
494