TM 10-3930-675-24-1
TROUBLESHOOTING INTRODUCTION - CONTINUED
0004 00
DIAG ENGINE - CONTINUED
DIAG ENGINE
4(5)
Engine oil pressure and turbo boost pressure.
Normal values:
OIL PRESSURE
0Bar
Oil pressure normally 1.03 to 2.41 Bar
BOOST PRESS.
0 Bar
Boost pressure normally <2Bar
DIAG EXTRA FUNCTION
EXTRA FUNCT.
1(13)
Engine speed function for high idle or normal idle.
+ = 1,000 RPM high idle = 1
SET ENGINE SPEED
0
- = 700 RPM normal idle = 0
TO 1000 rpm
Engine speed returns to normal idle when leaving this
(+/-)
screen.
EXTRA FUNCT.
2(13)
Signal from ECU 790 connector 2 to pump off valve
(611).
CUT OFF THE
+ = voltage to valve; pumps off = 1
HYDRAULIC PUMP
0
- = no voltage to valve; pumps on = 0
(+/-)
Controls steering and tophandler pumps.
EXTRA FUNCT.
3(13)
Input signal from Aux pump switch to ECU 792.
EL. HYD. PUMP INPUT
0
Output voltage from ECU 792 to Aux pump relay.
EL. HYD. PUMP OUTPUT
0
0 = No voltage, 1 = Voltage (on)
Active Aux pump switch to test.
0004 00-21
