Suzuki LT-A400F Service Manual

Ignition System: 1H-1
Engine
Ignition System
Schematic and Routing Diagram
Ignition System Diagram
B827H11802001
Refer to “Wire Color Symbols in Section 0A (Page 0A-4)”.
Ignition System Components Location
B827H11802002
Refer to “Electrical Components Location in Section 0A (Page 0A-6)”.
Diagnostic Information and Procedures
Ignition System Symptom Diagnosis
B827H11804001
Spark plug
Ignition
coil
DC-DC
converter
Ignition power
source circuit
Wave form
arrangment
circuit
CPU
Driver
SCR
C
CDI unit
Wave form
arrangment
circuit
Emergency
switch
(E-17)
Fuse
Ignition
switch
Fuse
Battery
Y
Y
Y
Generator
Bl
G
Y
W
Engine
oil temp.
switch
Parking
brake
switch
Ignition/
starter
control
relay
Neutral
switch
Engine
stop switch
I827H1180007-01
Condition Possible cause Correction / Reference Item
Spark plug not sparking Damaged spark plug. Replace.
Damaged spark plug cap. Replace.
Fouled spark plug. Clean or replace.
Wet spark plug. Clean and dry or replace.
Defective ignition coil. Replace.
Open or short in high-tension cord. Replace.
Defective CKP sensor. Replace.
Defective CDI unit. Replace.
Engine stalls easily (No
spark)
Fouled spark plug. Clean or replace.
Defective CKP sensor. Replace.
Defective CDI unit. Replace.
Spark plug is wet or
quickly becomes fouled
with carbon
Excessively rich air/fuel mixture. Adjust Carburetor.
Excessively high idling speed. Adjust Carburetor.
Incorrect gasoline. Change.
Dirty air cleaner element. Clean or replace.
Incorrect spark plug (Cold type). Change to hot type spark plug.

Suzuki LT-A400F Specifications

General

Brand	Suzuki
Model	LT-A400F
Category	Offroad Vehicle
Language	English