Items
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Trouble symptom
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Inspection procedure No.
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Reference page
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Communication with M.U.T.-III
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Communication with engine-ECU is not possible
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1
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![](../../../buttons/03btn007.png)
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Engine warning lamp
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The engine warning lamp does not illuminate right after
the ignition switch is turned to the "ON" position
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2
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![](../../../buttons/03btn007.png)
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The engine warning lamp remains illuminating and never goes
out
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3
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![](../../../buttons/03btn007.png)
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Starting
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Starter impossible (Starter not operative)
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The starter not operative
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4
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<M/T>, <A/T>
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Starting impossible (Starter operative but no initial combustion)
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The starter is operative and cranks the engine, but none of initial
combustion is in the cylinders and the engine is not started.
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5
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![](../../../buttons/03btn007.png)
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Improper starting (Long time to start)
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It is long cranking to start the engine.
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6
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![](../../../buttons/03btn007.png)
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Improper idling
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The proper idling speed is not satisfied.
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7
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![](../../../buttons/03btn007.png)
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Engine stalls
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The engine stalls when decelerating
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The engine stalls at the deceleration.
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8
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![](../../../buttons/03btn007.png)
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Driving
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Poor acceleration
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The engine cannot obtain the acceleration corresponding to the degree
of throttle opening although the engine is smooth at the constant speed.
|
9
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![](../../../buttons/03btn007.png)
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A large amount of fuel consumption
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Compared with before, the fuel consumption is dramatically increased.
|
10
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![](../../../buttons/03btn007.png)
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Knocking, Abnormal noise
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Knocking
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Sharp sound like a hammer striking on the cylinder walls during the
driving can be heard and wrongly affects the driving.
|
11
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![](../../../buttons/03btn007.png)
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Abnormal noise
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Abnormal noise during the engine operation. (It is presumed that
this is caused by malfunction over the wide range.)
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Exhaust gas
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White smoke
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Exhaust gases are extraordinarily white.
|
12
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![](../../../buttons/03btn007.png)
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Black smoke, state of exhaust gas purification deteriorated
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The exhaust gases are extraordinarily black. The state of the exhaust gas purification is deteriorated.
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13
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![](../../../buttons/03btn007.png)
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Charging performance
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Battery rundown
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The battery is soon rundown or the charging ability of battery is small.
|
14
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![](../../../buttons/03btn007.png)
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Cooling performance
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Overheating
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The temperature of engine cooling water is extremely high.
|
15
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![](../../../buttons/03btn007.png)
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Engine-ECU power supply system
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16
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![](../../../buttons/03btn007.png)
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Engine-ECU battery back-up system
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17
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![](../../../buttons/03btn007.png)
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A/C compressor relay system
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18
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![](../../../buttons/03btn007.png)
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Condenser fan relay system <Vehicles with A/C
condenser fan>
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19
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![](../../../buttons/03btn007.png)
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Engine oil pressure switch system
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20
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![](../../../buttons/03btn007.png)
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Water level switch system
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21
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![](../../../buttons/03btn007.png)
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The DPF regeneration interval is short
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22
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![](../../../buttons/03btn007.png)
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A/C switch system
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23
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<Cooler, Manual A/C>, <Automatic
A/C>
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Blower switch system <Cooler, Manual A/C>
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24
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![](../../../buttons/03btn007.png)
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Power steering fluid pressure switch system
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25
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![](../../../buttons/03btn007.png)
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