INSPECTION CHART FOR TROUBLE SYMPTOMS



Items
Trouble symptom
Inspection procedure No.
Communication with M.U.T.-III
Communication with engine-ECU is not possible
1
Engine warning lamp
The engine warning lamp does not illuminate right after the ignition switch is turned to the "ON" position
2
The engine warning lamp remains illuminating and never goes out
3
Starting
Starter impossible (Starter not operative)
The starter not operative
4
Starting impossible
(Starter operative but no initial combustion)
The starter is operative and cranks the engine, but none of initial combustion is in the cylinders and the engine is not started.
5
Improper starting
(Long time to start)
It is long cranking to start the engine.
6
Improper idling
The proper idling speed is not satisfied.
7
Engine stalls
The engine stalls when decelerating
The engine stalls at the deceleration.
8
Driving
Poor acceleration
The engine cannot obtain the acceleration corresponding to the degree of throttle opening although the engine is smooth at the constant speed.
9
A large amount of fuel consumption
Compared with before, the fuel consumption is dramatically increased.
10
Knocking, Abnormal noise
Knocking
Sharp sound like a hammer striking on the cylinder walls during the driving can be heard and wrongly affects the driving.
11
Abnormal noise
Abnormal noise during the engine operation. (It is presumed that this is caused by malfunction over the wide range.)
Exhaust gas
White smoke
Exhaust gases are extraordinarily white.
12
Black smoke, state of exhaust gas purification deteriorated
The exhaust gases are extraordinarily black.
The state of the exhaust gas purification is deteriorated.
13
Charging performance
Battery rundown
The battery is soon rundown or the charging ability of battery is small.
14
Cooling performance
Overheating
The temperature of engine cooling water is extremely high.
15

PROBLEM SYMPTOMS TABLE


Inspection procedure No.
Trouble symptom
Reference page
1
Communication with engine-ECU is not possible

2
The engine warning lamp does not illuminate right after the ignition switch is turned to the "ON" position

3
The engine warning lamp remains illuminating and never goes out

4
Starter impossible (Starter not operative)
<M/T-Vehicles without AS&G system>, <M/T-Vehicles with AS&G system>, <A/T>
5
Starting impossible (Starter operative but no initial combustion)

6
Improper starting (Long time to start)

7
Improper idling

8
The engine stalls when decelerating

9
Poor acceleration

10
A large amount of fuel consumption

11
Knocking, Abnormal noise

12
White smoke

13
Black smoke, state of exhaust gas purification deteriorated

14
Battery rundown

15
Overheating

16
Engine-ECU power supply system

17
Engine-ECU battery back-up system

18
A/C compressor relay system

19
Fuel pump system

20
Engine oil pressure switch system

21
Water level switch system