Toyota Camry Manual page 1372

DTC P1133
DTC P1153
CIRCUIT DESCRIPTION
Refer to DTC P0125 (Insufficient Coolant Temp. for Closed Loop Fuel Control (Only for California Spec.))
on page DI–249.
DTC No.
After engine is warmed up and during vehicle driving at
engine speed 1,400 rpm or more and vehicle speed 60
P1133
km/h (38 mph) or more, if response characteristic of A/F
P1155
sensor becomes deteriorated
(2 trip detection logic)
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 P1133, P1153) being output?
NO
DIAGNOSTICS
A/F Sensor Circuit Response Malfunction
(Bank 1 Sensor 1) (Only for California Spec.)
A/F Sensor Circuit Response Malfunction
(Bank 2 Sensor 1) (Only for California Spec.)
DTC Detecting Condition
YES
– ENGINE (1MZ–FE)
D A/F sensors (bank 1, 2 sensor 1)
Go to relevant DTC chart.
Author :
DI–345
Trouble Area
Date :
DI1K7–03
580