2000 TOYOTA CAMRY Service Repair Manual

Page 465 of 4770

TOYOTA CAMRY 2000  Service Repair Manual CIRCUIT DESCRIPTION
The rotary solenoid type IAC valve is provided on the intake air chamber and intake air bypassing
the throttle valve is directed to the IAC valve through a passage.
In this way the

Page 466 of 4770

TOYOTA CAMRY 2000  Service Repair Manual WIRING DIAGRAM
± 5S±FE ENGINECIRCUIT INSPECTIONEG1±416

Page 467 of 4770

TOYOTA CAMRY 2000  Service Repair Manual (1) Remove glove compartment
(See page EG1±234),
(2) Disconnect the engine control module con±
nectors.
(3) Turn ignition switch ON.
Measure voltage between terminals ISCO, ISCC
of engine control mo

Page 468 of 4770

TOYOTA CAMRY 2000  Service Repair Manual (1) Disconnect IAC valve connector.
(2) Remove IAC valve (See page EG1±213).
(1) Connect the positive (+) lead from the bat±
tery to terminal 2 (+ B) and negative (±) lead
to terminal 3 (ISCC), and

Page 469 of 4770

TOYOTA CAMRY 2000  Service Repair Manual CIRCUIT DESCRIPTION
Fuel pump control
The fuel pump is switched on (low voltage at terminal FC) when STA is on or while the NE signal
is input to the ECM.
In the diagram below, when the engine is cran

Page 470 of 4770

TOYOTA CAMRY 2000  Service Repair Manual Check for open in harness and connector
between circuit opening relay and fuel pump
and body ground. Check for open in harness and connector
between EFI main relay and circuit opening
relay and ECM.Re

Page 471 of 4770

TOYOTA CAMRY 2000  Service Repair Manual WIRING DIAGRAM
± 5S±FE ENGINECIRCUIT INSPECTIONEG1±421

Page 472 of 4770

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