1A-24 Engine General Information and Diagnosis:
The engine can start and can run even if the signal in the table is not received from each sensor. But, the engine
running condition is not complete, providing only emergency help (by fail-safe circuit). In this case, it is necessary to
bring the motorcycle to the workshop for complete repair.
When two ignition signals or two injector signals are not received by ECM, the fail-safe circuit can not work and ignition
or injection is stopped.
FI System Troubleshooting
B837H11104008
Customer Complaint Analysis
Record details of the problem (failure, complaint) and how it occurred as described by the customer. For this purpose,
use of such an inspection form such as following will facilitate collecting information to the point required for proper
analysis and diagnosis.
NOTE
This form is a standard sample. The form should be modified according to conditions and
characteristic of each market.
EXAMPLE: CUSTOMER PROBLEM INSPECTION FORM
EVAP system purge control
solenoid valve (E-33 only)
ECM stops controlling EVAP system purge
control solenoid valve.
“YES” “YES”
Vehicle speed sensor
ECM stops controlling steering damper
solenoid valve.
“YES” “YES”
Steering damper solenoid
valve
ECM stops controlling steering damper
solenoid valve.
“YES” “YES”
User name: Model: VIN:
Date of issue: Date Reg.: Date of problem: Mileage:
Malfunction indicator
light condition (LED)
Always ON / Sometimes ON / Always OFF / Good condition
Malfunction display/code
(LCD)
User mode: No display / Malfunction display ( )
Dealer mode: No code / Malfunction code ( )
PROBLEM SYMPTOMS
Difficult Starting Poor Driveability
No cranking Hesitation on acceleration
No initial combustion Back fire / After fire
No combustion Lack of power
Poor starting at Surging
( cold / warm / always) Abnormal knocking
Other Engine rpm jumps briefly
Other
Poor Idling Engine Stall when
Poor fast Idle Immediately after start
Abnormal idling speed Throttle valve is opened
( High / Low) ( r/min) Throttle valve is closed
Unstable Load is applied
Hunting ( r/min to r/min)
Other
Other
OTHERS:
Item Fail
-Safe Mode Starting Ability Running Ability
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