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1C-8 Engine Electrical Devices:
Installation
1) Close the secondary throttle valve by finger.
2) With the STV fully closed, install the STP sensor (1)
and tighten the STP sensor mounting screw to the
specified torque.
CAUTION
!
Replace the O-ring with a new one.
NOTE
• Apply a thin coat of engine oil to the O-
ring.
• Align the secondary throttle shaft end "A"
with the groove "B" of STP sensor.
• Apply grease to the secondary throttle
shaft end "A", if necessary.
: Grease 99000–25010 (SUZUKI SUPER
GREASE A or equivalent)
Special tool
: 09930–11950 (Torx wrench)
Tightening torque
STP sensor mounting screw: 3.5 N·m (0.35 kgf-
m, 2.5 lbf-ft)
"A"
3) Make sure the STP valve open or close smoothly.
4) Adjust the position of STP sensor. Refer to "STP
Sensor Adjustment (Page 1C-6)".
5) Reinstall the removed parts.
I940H1130020-01
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"B"
I940H1130025-02
STV Actuator Inspection
Refer to "DTC "C28" (P1655): Secondary Throttle Valve
Actuator (STVA) Malfunction in Section 1A (Page 1A-
58)".
STV Actuator Removal and Installation
Refer to "Throttle Body Disassembly and Assembly in
Section 1D (Page 1D-14)".
CAUTION
!
• Never remove the STVA from the throttle
body.
• The STVA and throttle body are available
only as an assembly.
ISC Valve Inspection
Refer to "DTC "C40" (P0505 / P0506 / P0507): ISC Valve
Circuit Malfunction in Section 1A (Page 1A-74)".
ISC Valve Removal and Installation
Refer to "ISC Valve Removal and Installation in Section
1D (Page 1D-12)".
ISC Valve Preset and Opening Initialization
When removing or replacing the ISC valve, set the ISC
valve to the following procedures:
1) Turn the ignition switch ON.
2) Set up the SDS tool. (Refer to the SDS operation
manual for further details.)
3) Click the "Active control".
4) Click the "ISC learned value reset" (1).
B940H21306017
B940H21306018
B940H21306019
B940H21306020
B940H21306021
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I940H1130030-02
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