Linhai HY740STL 2018 Service Manual page 118

CHAPTER 3 ENGINE
3.18.3.3 Technical Parameters
Throttle Position Sensor:
Reference voltage: 5±0.1VDC
Resistance between T1 and T2: 3k~12kΩ
Idle Air Control Valve:
Operating voltage: 7.5~14.2 VDC
Solenoid resistance: 53Ω±10%
Solenoid inductance: 33mH±20%
3.18.3.4 Operating Conditions
Normal Operating Temperature: -30~120°C
3.18.3.5 Throttle Body Removal
Disconnect negative terminal of the battery
Disconnect electric lead wire of throttle position sensor coupler, stepper motor
coupler and MAP/MAT sensor coupler ( if this sensor is mounted on the throttle
body)
Disconnect accelerator cable from throttle body
Remove air cleaner outlet hose and throttle body outlet hose
3.18.3.6 Cleaning Procedure
If there is cover on the bottom, it may be removed and cleaned using carburetor
cleaner (3M make recommended). Once the throttle body cover is removed, spray
the throttle-body cleaner inside the shipping air passage, and use the brushes to
gently dislodge the dirt, gum and varnish that are present. Do not let the bye pass
holes be blocked by dirt or foreign particles.
3.18.3.7Throttle Body Installation
M750L SERVICE MANUAL 18.0
CHAPTER 3 ENGINE PAGE 3- 87