20-316 PC58UU-3
TROUBLESHOOTING
E-1 Error code [24] (Trouble in engine speed sensor system) is displayed
E-1 Related electrical circuit diagram
Cause Remedy
• Turn starting switch OFF.
• Disconnect M9.
• 2,100 – 2,500 z
1
Defective engine speed sen-
sor (Internal disconnection,
defective contact, short cir-
cuit with chassis ground)
Replace
Is resistance between M9 (male) (1) –
(2) normal?
NO
YES
• Turn starting switch OFF.
• Disconnect G2.
• 2,100 – 2,500 z
2
Disconnection, defective con-
tact, or short circuit with
chassis ground in wiring har-
ness between G2 (female)
(40) – M9 (female) (2) or
between G2 (female) (39) –
M9 (female) (1)
Is resistance between G2 (female) (39)
– (40) normal?
NO
Repair or
replace
YES
Defective controller Replace
E-1
(6)
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