1999 TOYOTA CAMRY Service Repair Manual

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Page 1337 of 4592

TOYOTA CAMRY 1999 Service Repair Manual ± DIAGNOSTICSENGINE (5S±FE)
DI±125
360 Author: Date:
5 Check filler neck for damage.
PREPARATION:
Remove the fuel tank cap.
CHECK:
Visually check the filler neck for damage.
NG Replace filler ne

Page 1338 of 4592

TOYOTA CAMRY 1999 Service Repair Manual A03008A03419
ON
E2
(±)VC
(+) w/o Immobiliser
w/ Immobiliser
E2
(±)VC
(+)
DI±126
± DIAGNOSTICSENGINE (5S±FE)
361 Author: Date:
8 Check charcoal canister (See page EC±6).
NG Replace charcoal ca

Page 1339 of 4592

TOYOTA CAMRY 1999 Service Repair Manual A03018
A03420
PTNK (+)E2 (±)
(1)(2)
Vacuum ON
w/o Immobiliser
w/ Immobiliser
PTNK (+)
E2 (±)
± DIAGNOSTICSENGINE (5S±FE)
DI±127
362 Author: Date:
10 Check voltage between terminals PTNK and E2

Page 1340 of 4592

TOYOTA CAMRY 1999 Service Repair Manual DI±128
± DIAGNOSTICSENGINE (5S±FE)
363 Author: Date:
12 Check fuel tank and fuel tank over fill check valve for cracks and damage
(See page EC±6).
NG Replace fuel tank or fuel tank over fill che

Page 1341 of 4592

TOYOTA CAMRY 1999 Service Repair Manual A06550
ECM
(1)Vapor Pressure
Sensor
VSV for Vapor
Pressure Sensor
(2)
(3) (4)
(5) VSV for
EVAP
Charcoal Canister Fuel Tank fig.1
(6)
(7)
(8)
(9) Fuel Tank Over
Fill Check Valve
± DIAGNOSTICSENG

Page 1342 of 4592

TOYOTA CAMRY 1999 Service Repair Manual DI±130
± DIAGNOSTICSENGINE (5S±FE)
365 Author: Date:
DTC No.DTC Detecting ConditionTrouble Area
P0441
Pressure in the charcoal canister does not drop during purge
control
(2 trip detection logic

DI±130
± DIAGNOSTICSENGINE (5S±FE)
365 Author: Date:
DTC No.DTC Detecting ConditionTrouble Area
P0441
Pressure in the charcoal canister does not drop during purge
control
(2 trip detection logic)
P0441During purge cut±off, pressure in charcoal canister is very low
compared with atmospheric pressure
(2 trip detection logic)
Open or short in VSV circuit for vapor pressure sensor
VSV for vapor pressure sensor
When VSV for vapor pressure sensor is OFF, ECM judges that
there is no continuity between vapor pressure sensor and
charcoal canister
(2 trip detection logic)Open or short in vapor pressure sensor circuit
Vapor pressure sensor
Open or short in VSV circuit for EVAP
VSV for EVAP
Vacuum hose cracks hole blocked damaged or
P0446
When VSV for vapor pressure sensor is ON, ECM judges that
there is no continuity between vapor pressure sensor and fuel
tank
(2 trip detection logic)Vacuum hose cracks, hole, blocked, damaged or
disconnected ((1), (4), (5) holed (6) and (7) in fig. 1)
Charcoal canister cracked, holed or damaged
Fuel tank over fill check valve cracked or damaged
After purge cut off operates, pressure in charcoal canister is
maintained at atmospheric pressure
(2 trip detection logic)
WIRING DIAGRAM
Refer to DTC P0440 (Evaporative Emission Control System Malfunction) on page DI±122.
INSPECTION PROCEDURE
TOYOTA hand±held tester:
HINT:
If DTC P0441 (Evaporative Emission Control System Incorrect Purge Flow), P0446 (Evaporative
Emission Control System Vent Control Malfunction), P0450 (Evaporative Emission Control System
Pressure Sensor Malfunction) or P0451 is output after DTC P0440 (Evaporative Emission Control Sys-
tem Malfunction), first troubleshoot DTC P0441, P0446, P0450 or P0451. If no malfunction is detected,
troubleshoot DTC P0440 next.
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.
When the ENGINE RUN TIME in the freeze frame data is less than 200 seconds, carefully check the
VSV for EVAP, charcoal canister and vapor pressure sensor.

Page 1343 of 4592

TOYOTA CAMRY 1999 Service Repair Manual ± DIAGNOSTICSENGINE (5S±FE)
DI±131
366 Author: Date:
1 Check VSV connector for EVAP, VSV connector for vapor pressure sensor and
vapor pressure sensor connector for looseness and disconnection.
N

Page 1344 of 4592

TOYOTA CAMRY 1999 Service Repair Manual A03278A03279A03456
VSV is ON
VSV is OFFTo
Suction
No SuctionThrottle
Body
To
Throttle
Body
DI±132
± DIAGNOSTICSENGINE (5S±FE)
367 Author: Date:
5 Check for open and short in harness and connector

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