2000 TOYOTA CAMRY Service Repair Manual

Page 409 of 4770

TOYOTA CAMRY 2000  Service Repair Manual Check for open and short in harness and connector between engine
control module and engine coolant temp. sensor (See page IN±31).
Disconnect  the engine coolant temp. sensor con±
nector.
Measure res

Page 410 of 4770

TOYOTA CAMRY 2000  Service Repair Manual DIAGNOSTIC CHART
HINT: If diagnostic trouble codes ª22º (engine coolant temperature sensor circuit), ª24º (intake air
        temperature sensor circuit), ª31º (manifold absolute pressure sensor

Page 411 of 4770

TOYOTA CAMRY 2000  Service Repair Manual (1) Remove glove compartment.
     (See page EG1±234)
(2) Turn ignition switch on.
Measure voltage between terminals THA and E2
of engine control module connector.
Check voltage between terminals THA

Page 412 of 4770

TOYOTA CAMRY 2000  Service Repair Manual Check for open and short in harness and connector between
engine control module and intake air temp. sensor (See page IN±31).
Disconnect  the air temp. sensor connector.
Measure resistance between te

Page 413 of 4770

TOYOTA CAMRY 2000  Service Repair Manual CIRCUIT DESCRIPTION
The main oxygen sensor is located in the exhaust manifold.
It indirectly determines whether the fuel mixture is rich or lean by detecting the concentration of
oxygen present in the

Page 414 of 4770

TOYOTA CAMRY 2000  Service Repair Manual H I NT: Before this test, check the feedback voltage for oxygen sensor.
              Disconnect the EFI fuse (15 A) for 10 sec. or more, with IG switch OFF.
              Initiate test mode (Connect

Page 415 of 4770

TOYOTA CAMRY 2000  Service Repair Manual WIRING DIAGRAM
Refer to page EG1±354 for the WIRING DIAGRAM.
Does malfunction disappear when a good main
oxygen sensor is installed?Check each item found to be a possible cause
of problem.
Does malfu

Page 416 of 4770

TOYOTA CAMRY 2000  Service Repair Manual (1) Warm up engine at normal operating tem±
perature.
(2) Connect terminals TE1 and E1 of data link
connector 1.
(3) Connect positive prove to terminal VF1 and
negative prove to terminal E1 of data l