Komatsu PC88MR-10 Shop Manual page 271

Automatic idle stop
1. Battery disconnect switch
2. Battery
3. Battery relay
4. Fusible link
5. Fuse box
6. Starting switch
7. Lock lever
8. PPC lock switch
9. Pump controller
10. Machine monitor
11. Engine controller
12. KOMTRAX terminal
13. Hydraulic oil temperature sensor
14. Coolant temperature sensor
Input/output signal
a: Input and output signals of pump controller
b: CAN signal
c: PPC lock switch signal
d: Hydraulic oil temperature sensor signal
Function
When the auto idle stop function is enabled and the conditions for operation are satisfied, the engine is
stopped after the set time.
The auto idle stop function stops the engine when the pump controller sends the engine stop signal to the
engine controller.
When the engine is stopped by the auto idle stop function while it is running at high speed, a message to
turn ON the auto-deceleration function is displayed on the machine monitor and the auto-deceleration
function is set to ON.
The length of time when the auto idle stop function operates is set on the user menu or service menu on
the machine monitor.
Conditions for starting operation
The auto idle stop function starts when all of the following conditions are satisfied at the same time.
PC88MR-10
(PC88MR-AF87-042-K-00-A)
10 Structure and function
Electrical control system
10-193