3-10
TABLE OF DIAGNOSIS CODES
Indication Memory Spanner
Detection
ECU
Error mode Phenomenon on vehicle
01-3 01-3 Blinking 4Y-ECS Fuel feedback control abnormality (LPG/CNG) rich
The engine speed is unstable and it may stop.
01-4 01-4 Blinking 4Y-ECS Fuel feedback control abnormality (LPG/CNG) lean
01-5 01-5 Blinking 4Y-ECS O
2
sensor open abnormality The engine speed is unstable and it may stop.
01-6 01-6 Blinking 4Y-ECS O
2
sensor heater open abnormality Display only
02-1 02-1 Blinking 4Y-ECS Intake temperature sensor-open abnormality
The engine may become out of adjustment at low
temperatures.
02-2 02-2 Blinking 4Y-ECS Intake temperature sensor short abnormality
03-1 03-1 Blinking 4Y-ECS Intake pipe pressure sensor-open abnormality
The engine may begin to run rough
03-2 03-2 Blinking 4Y-ECS Intake pipe pressure sensor short abnormality
04-1 04-1 Blinking 4Y-ECS Water temperature sensor open abnormality
The engine may become out of adjustment at low
temperatures.
04-2 04-2 Blinking 4Y-ECS Water temperature sensor short abnormality
05-1 05-1 Blinking 4Y-ECS Throttle position sensor 1 open abnormality
Limited speed of traveling and materials handling
due to limited engine power output
05-2 05-2 Blinking 4Y-ECS Throttle position sensor 1 short abnormality
05-3 05-3 Blinking 4Y-ECS Throttle position sensor 2 open abnormality
05-4 05-4 Blinking 4Y-ECS Throttle position sensor 2 short abnormality
05-5 05-5 Blinking 4Y-ECS Throttle position sensor offset abnormality
05-6 05-6 Blinking 4Y-ECS Throttle position sensor out of range abnormality
06-1 06-1 Blinking 4Y-ECS Throttle motor drive circuit open abnormality
Limited speed of traveling and materials handling
due to limited engine power output
06-2 06-2 Blinking 4Y-ECS Throttle motor drive circuit short abnormality
06-3 06-3 Blinking 4Y-ECS Throttle motor power supply circuit open abnormality
06-4 06-4 Blinking 4Y-ECS Throttle motor power supply circuit short abnormality
06-5 06-5 Blinking 4Y-ECS Throttle motor seizing abnormality
06-6 06-6 Blinking 4Y-ECS Electronic throttle system abnormality
07-1 07-1 Blinking 4Y-ECS Air-fuel ratio motor open abnormality The engine speed is unstable and it may stop.
08-1 08-1 Blinking 4Y-ECS Low voltage (battery line open) abnormality Display only
09-1 09-1 Blinking 4Y-ECS Ignition signal abnormality The engine speed is unstable and it may stop.
0A-1 0A-1 Blinking 4Y-ECS Fuel specification determination signal abnormality Display only
0A-2 0A-2 Blinking 4Y-ECS Fuel specification changeover switch abnormality Display only
0A-3 0A-3 Blinking 4Y-ECS Fuel specification type does not match Engine may stop
0A-4 0A-4 Blinking 4Y-ECS Engine specification determination abnormality
Limited speed of traveling and materials handling
due to limited engine power output
03.book 10 ページ 2007年2月22日 木曜日 午後4時47分
LPG Device for 4Y-E Engine