Toyota Camry Manual page 1292

DTC P0136
CIRCUIT DESCRIPTION
Refer to DTC P0125 (Insufficient Coolant Temp. for Closed Loop Fuel Control) on page DI–244.
DTC No.
Voltage output of heated oxygen sensor (bank 1 sensor 2)
remains at 0.4 V or more or 0.6*
is driven at 50 km/h (31 mph) or more after engine is warmed
P0136 up
1
* : for California Spec.
2
* : except California Spec.
(2 trip detection logic)
HINT:
Bank 1 refers to the bank that includes cylinder No.1. Sensor 2 refers to the sensor farther away from the
engine body.
WIRING DIAGRAM
Refer to DTC P0125 (Insufficient Coolant Temp. for Closed Loop Fuel Control) on page DI–244.
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 P0136) being output ?
NO
2 Check for open and short in harness and connector between ECM and heated
oxygen sensor (See page IN–31).
OK
DIAGNOSTICS
Heated Oxygen Sensor Circuit Malfunction
(Bank 1 Sensor 2)
DTC Detecting Condition
1 2
0.5* V or less when vehicle
YES
NG
– ENGINE (1MZ–FE)
D Heated oxygen sensor
Go to relevant DTC chart.
Repair or replace harness or connector.
Author :
Trouble Area
Date :
DI–265
DI07Q–06
500