Toyota Camry Manual page 1105

DI–78
2 Check for open and short in harness and connector between ECM and heated
oxygen sensor (See page IN–31).
OK
3 Check output voltage of heated oxygen sensor.
PREPARATION:
(a) Connect the OBD II scan tool or TOYOTA hand–held tester to the DLC3.
(b) Warm up the engine to normal operating temp.
CHECK:
Read voltage output of the heated oxygen sensor when the engine suddenly raced.
HINT:
Perform quick racing to 4,000 rpm 3 min. using the accelerator pedal.
OK:
Heated oxygen sensor output voltage:
Alternates from 0.45*
1
* : for California Spec.
2
* : except California Spec.
NG
Replace heated oxygen sensor.
DIAGNOSTICS
NG
1 2
/0.40* V or less to 0.60*
OK
– ENGINE (5S–FE)
Repair or replace harness or connector.
/0.50* V or more.
1 2
Check that each connector is properly
connected.
Author : Date :
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