Table of Contents
Advertisement
40 Troubleshooting
Failure code [CA2186] Throt Sens Sup Volt Low Error
User code
Failure code
E14
CA2186
Contents of
• Low voltage was detected in throttle sensor power supply circuit.
trouble
• If trouble occurs while starting switch is in ON position, controller fixes voltage value to level just
Action of
before detection of trouble and continues operation.
controller
• If starting switch is turned ON while voltage is abnormally high, controller continues operation with
voltage at 100% value.
Problem that
appears on
• Engine speed cannot be controlled with fuel control dial.
machine
Related infor-
• Method of reproducing failure code: Turn starting switch ON.
mation
Ground fault in wiring har-
1
ness (Short circuit with GND
circuit)
Short circuit in wiring har-
Possible causes
2
ness (with another wiring
and standard
harness)
value in normal
state
Defective wiring harness
3
connector
4 Defective engine controller
Circuit diagram related to fuel control dial
PC210, 230, 240-8
Throttle sensor supply voltage low error
Trouble
(Engine controller system)
Cause
a Prepare with starting switch OFF, then carry out troubleshooting
Wiring harness between CE02 (female) (22)
– P20 (female) (1)
a Prepare with starting switch OFF, then carry out troubleshooting
Wiring harness between CE02 (female) (9) –
each of CE02 (female) pins (With P20 dis-
connected)
Connecting parts between fuel control dial – machine wiring har-
ness – engine controller may be defective. Check them directly.
• Looseness of connector, breakage of lock, or breakage of seal
• Corrosion, bend, breakage, push-in, or expansion of pin
• Moisture or dirt in connector or defective insulation
If causes 1 – 3 are not detected, engine controller may be defective.
(Since trouble is in system, troubleshooting cannot be carried out.)
Standard value in normal state/Remarks on troubleshooting
without turning starting switch ON.
without turning starting switch ON.
UEN00241-01
1
Resis-
Min. 100
tance
kz
Resis-
Min. 100
tance
kz
39
Advertisement
Table of Contents
Troubleshooting
