2000 TOYOTA CAMRY Service Repair Manual

Page 433 of 4770

TOYOTA CAMRY 2000  Service Repair Manual CIRCUIT DESCRIPTION
When the engine is cranked, the intake air flow is slow, so fuel vaporization is poor. A rich mixture
is therefore necessary in order to achieve good startability. While the engine

Page 434 of 4770

TOYOTA CAMRY 2000  Service Repair Manual Setting  the test mode.
(1) Turn ignition switch OFF.
(2) Connect terminals TE2 and E1 of DLC2.
(3) Turn ignition switch ON.
(Dont start the engine)
(4) Connect terminals TE1 and E1 of DLC2.
Check fo

Page 435 of 4770

TOYOTA CAMRY 2000  Service Repair Manual If the ECM detects the above diagnosis conditions, it operates the fail safe function in which the
corrective retard angle value is set to the maximum value.
DIAGNOSIS TROUBLE CODE DETECTION DRIVING P

Page 436 of 4770

TOYOTA CAMRY 2000  Service Repair Manual Does malfunction disappear when a good knock
sensor is installed? Check for open and short in harness and
connector between knock sensor and ECM.Repair or replace harness or
connector. Check no contin

Page 437 of 4770

TOYOTA CAMRY 2000  Service Repair Manual (1) Remove glove compartment.
(See page EG1±234)
(2) Disconnect the engine control module con±
nector.
Check continuity between terminal KNK of engine control module
connector and body ground.
INSPE

Page 438 of 4770

TOYOTA CAMRY 2000  Service Repair Manual Disconnect  knock sensor connector.
Check for open and short in harness and connector between engine
control module and knock sensor (See page IN±31).
Does malfunction disappear when a good knock sen

Page 439 of 4770

TOYOTA CAMRY 2000  Service Repair Manual wSpread the time on the horizontal axis, and
confirm that period of the wave is 132 
 sec.
(Normal mode vibration frequency of knock
sensor: 7.6 KHz).
HINT: If normal mode vibration frequency is not 7

Page 440 of 4770

TOYOTA CAMRY 2000  Service Repair Manual CIRCUIT DESCRIPTION
The EGR system recirculates exhaust gas, which is controlled to the proper quantity to suit the
driving conditions, into the intake air mixture to slow down combustion, reduce the