Toyota 2GR-FE Manual page 224

ES–68
ES
Intelligent Tester Displays
INJ VOL
A/F CONTROL
FUEL PMP SP CTL
EVAP (PURGE) VSV
EVAP VSV (ALONE)
VVT CTRL B1
VVT CTRL B2
A/C MAG CLUTCH
FUEL PUMP / SPD
TC/TE1
FC IDL PROHBT
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
2. ACTIVE TEST
HINT:
Performing an ACTIVE TEST enables components
including the relays, VSV (Vacuum Switching Valve) and
actuators, to be operated without removing any parts.
The ACTIVE TEST can be performed with an intelligent
tester. Performing an ACTIVE TEST as the first step in
troubleshooting is one method of shortening diagnostic
time.
DATA LIST can be displayed during ACTIVE TEST.
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch on (IG).
(c) Turn the tester on.
(d) Enter the following menus: DIAGNOSIS /
(e)
Test Details
Change injection volume
Change injection volume
Fuel pump speed control
Activate VSV for EVAP (Purge)
Activate EVAP VSV control
Turn on and off OCV
(Oil Control Valve)
Turn on and off OCV
(Oil Control Valve)
Control the A/C magnet clutch
Activate fuel pump (C/OPN
Relay)
Turn on and off TC and TE1
connection
Prohibit idling fuel cut control
ENHANCED OBD II / ACTIVE TEST.
Perform the ACTIVE TEST by referring to the table
below.
Control Ranges
Between -12.5 and 24.8 %
Lower by 12.5 % or increase by
24.8 %
ON (low speed)/OFF (high
speed)
ON/OFF
ON/OFF
ON/OFF
ON/OFF
ON/OFF
ON/OFF
ON/OFF
ON/OFF
Diagnostic Note
• All injectors tested at the
same time
• Perform test at less than
3,000 rpm
• Injection volume can be
changed in 1 % graduations
within control range
• Perform test at less than
3,000 rpm
• A/F CONTROL enables to
check and to graph A/F (Air
Fuel Ratio) sensor and
Heated Oxygen (HO2) sensor
voltage outputs
• To conduct test, select
following menu items:
ACTIVE TEST / A/F
CONTROL / USER DATA /
AFS B1S1 and O2S B1S2,
and press YES and ENTER
followed by F4
Test is possible when following
conditions are met:
• Ignition switch is on (IG)
• Engine is stopped
-
-
• Engine stalls or idles roughly
when OCV turned ON
• Normal engine running or
idling when OCV OFF
• Engine stalls or idles roughly
when OCV turned ON
• Normal engine running or
idling when OCV OFF
-
-
• ON: TC and TE1 connected
• OFF: TC and TE1
disconnected
-