24
- FORM NO. 56043129 - SR 1900
ENGINE SYSTEM
TROUBLESHOOTING GUIDE
Troubleshooting Guide
Symptom
GM 1.6L 4 cylinder engine will not crank
Part B: Electrical Control and Load Circuit
Note 1: To test the key switch must be in start position and the foot-pedal in neutral. Also
reference Note: A below.
Note 2: Before T.S. check the CB1 60 Amp circuit breaker & 12V’s @ key switch Bat. Terminal.
Note 3: Before T.S. check battery voltage @ starter main load red wire input.
Continued from previous
page
Test for 12V @ the pink K4
coil wire to Grd. With the key
on.
Test electrical items
below
•CB5 10A breaker
•Pink & Org/Grn
ignition wiring
continuity.
•12V power to
ignition switch &
circuit functions of
start & ignition
terminals.
Repair and replace
as needed.
@ the K4 relay coil test for
12v(-) from the Gra/Wht wire
to Bat (+) with key on.
Before testing the drive pedal
sensor R2 follow the
instructions located in the
programmable control
options section to
synchronize the pedal’s
neutral dead band
adjustment. Test the drive
pedal sensor R2 (5K Ohms)
and wiring harness circuit.
Does the sensor test good ?
Substitute a new A2 control
box assembly.
See:
Note A
Repair or replace the
defective R2 drive
pedal sensor.
See:
Note A
Note A:
Any time the machines hydrostat mounted neutral position sensor is replaced or the
hydrostat linkage adjusted its neutral position must be re-programmed. Also any time the A2
control box is replaced it must be re-programmed. See the programming options section in this
manual for instructions.
No
No
No
Yes
Yes
Содержание 56507009
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Страница 77: ...FORM NO 56043129 SR 1900 77 ELECTRICAL SYSTEM ENGINE HARNESS FOR GM 1 6L LPG Tier 3...