Group 6 Automatic Warming Up System - Hyundai R480LC-9S Service Manual

GROUP 6 AUTOMATIC WARMING UP SYSTEM

GROUP 6 AUTOMATIC WARMING UP SYSTEM (CLUSTER TYPE 1)
Cluster
Warming up pilot lamp
1. The MCU receives the engine coolant temperature from the ECM, and if the coolant temperature is
below 30 C, it increases the engine speed from key start rpm to 1100 rpm. At this time the mode
˚
does not change. If the coolant temperature sensor has fault, the hydraulic oil temperature signal is
substituted.
2. In case of the coolant temperature increases up to 30
speed. And if an operator changes power mode set during the warming up function, the MCU
cancels the automatic warming up function.
3. 3. LOGIC TABLE LOGIC TABLE
Description
Actuated
Canceled
Main control valve
Engine
ECM
MCU
Warming up pilot lamp signal
Condition
- Coolant temperature :
below 30˚C (after engine run)
- Coolant temperature : Above 30˚C
- Warming up time : Above 10 minutes
- Changed power mode set by operator
- RCV lever or pedal operating
- Auto idle cancel
※ If any of the above conditions is
applicable, the automatic warming up
function is canceled
Main pump Pilot pump
Pump power
shift EPPR
Hydraulic temp signal
Drive signal
Accel dial signal
C, the engine speed is decreased to key start
˚
- Power mode : Default (E mode)
- Warming up time : 10 minutes (max)
- Warming up pilot lamp : ON
- Power mode : set mode
- Warming up pilot lamp : OFF
5-17
Hydraulic temp sensor
CN-16A CN-16
Normal
CN-16B
Emergency
Accel dial
Function
4809S5MS10