Toyota Celica 2005 Repair Manual page 507

DI−308
8. ACTIVE TEST
HINT:
Performing the ACTIVE TEST using the hand−held tester or the OBD II scan tool allows the relay, VSV, ac-
tuator and so on to operate without parts removal. Performing the ACTIVE TEST as a first step of trouble-
shooting is one method to shorten diagnostic time.
It is possible to display the DATA LIST during the ACTIVE TEST.
(a) Warm up the engine.
(b) Turn the ignition switch OFF.
(c) Connect the hand−held tester or the OBD II scan tool to the DLC3.
(d) Turn the ignition switch ON.
(e) Push the "ON" button of the hand−held tester or the OBD II scan tool.
(f) Enter the following menus: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST.
(g) According to the display on tester, perform the "ACTIVE TEST".
Hand−held Tester Display
INJ VOL
A/F CONTROL
IAC DUTY RATIO
CAN CTRL VSV
TANK BYPASS VSV
EVAP VSV (ALONE)
A/C MAG CLUTCH
FUEL PUMP / SPD
2005 CELICA (RM1131U)
DIAGNOSTICS
[Test Details]
Control the injection volume
Min.: −12.5 %, Max.: 24.8 %
[Vehicle Condition]
Engine speed: 3,000 rpm or less
[Test Details]
Control the injection volume
−12.5 or 25 % (Change the injection volume −12.5 % or 25 %.)
[Vehicle Condition]
Engine speed: 3,000 rpm or less
[Test Details]
Control the ISC duty ratio
0 to 90 %
[Vehicle Condition]
S Engine speed: Idling (CTP switch ON)
S Vehicle speed: 0 mph (0 km/h)
S Battery voltage: 8.5 V or more
[Test Details]
Activate the VSV for canister control
ON or OFF
[Test Details]
Activate the VSV for tank bypass
ON or OFF
[Test Details]
Activate the VSV for EVAP control
ON or OFF
[Test Details]
Control the A/C magnet clutch
ON or OFF
[Test Details]
Control the fuel pump
ON or OFF
− ENGINE (2ZZ−GE)
Test Details
506
Diagnostic Note
S All injectors are tested at
once
S Injection volume is gradual-
ly changed between −12.5
and 25%
The following A/F CON-
TROL procedure enables
the technician to check and
graph the voltage outputs of
both the A/F sensor and
heated oxygen sensor
For displaying the graph in-
dication, enter "ACTIVE
TEST/A/F CONTROL/USER
DATA," then select "O2S
B1S1 and O2S B1S2" by
pressing "YES" button and
push "ENTER" button before
pressing "F4" button
−
−
−
−
−
−