Lexus SC300 / Lexus SC400. Manual — part 486
INSPECTION OF COLD START
INJECTOR TIME SWITCH
1.
REMOVE LOWER HIGH–TENSION CORD COVER
(See steps 1, 2 and 5 to 12 on pages
2.
REMOVE RH IGNITION COIL
(a) Disconnect the ignition coil connector.
(b) Remove the two bolts, and disconnect the ignition coil.
(c) Disconnect the cam position sensor connector from the
ignition coil bracket, and remove the ignition coil.
3.
REMOVE COLD START INJECTOR TIME SWITCH
(a) Disconnect the injector time switch connector.
(b) Remove the injector time switch and gasket.
4.
INSPECT COLD START INJECTOR TIME SWITCH
Using an ohmmeter, measure the resistance between each
terminal.
Resistance:
STA–STJ 25–45
below 15
°
C (59
°
F)
65–85
above 30
°
C (86
°
F)
STA–Ground 25–85
If the resistance is not as specified, replace the switch.
5.
REINSTALL COLD START INJECTOR TIME SWITCH
(a) Install a new gasket to the injector time switch.
(b) Install the injector time switch.
Torque: 34 N
⋅
m (350 kgf
⋅
cm, 25 ft
⋅
lbf)
(c) Connect the injector time switch connector.
6.
REINSTALL RH IGNITION COIL
(a) Install the ignition coil with the two bolts.
FI–88
EFI SYSTEM – Electronic Control System (Cold Start Injector Time Switch)
(b) Install the cam position sensor connector to the ignition
coil bracket.
(c) Connect the ignition coil connector.
7.
REINSTALL LOWER HIGH–TENSION CORD COVER
(See steps 1 to 13 and 16 to 18 on pages
to 41)
FI–89
EFI SYSTEM – Electronic Control System (Cold Start Injector Time Switch)
VSV for Fuel Pressure Control
FI–90
– Electronic Control System (VSV for Fuel Pressure Control)
EFI SYSTEM
COMPONENTS FOR REMOVAL AND INSTALLATION
FI–91
EFI SYSTEM – Electronic Control System (VSV for Fuel Pressure Control)
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