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120 – HI ECU Power Supply Voltage
Cause
The supply voltage of the ECU has
violated set limit value 1.
321 – AL Wiring Cylinder A1
Cause
Short circuit fault in the injector
wiring for cylinder A1 or injector
defective.
322 – AL Wiring Cylinder A2
Cause
Short circuit fault in the injector
wiring for cylinder A2 or injector
defective.
323 – AL Wiring Cylinder A3
Cause
Short circuit fault in the injector
wiring for cylinder A3 or injector
defective.
324 – AL Wiring Cylinder A4
Cause
Short circuit fault in the injector
wiring for cylinder A4 or injector
defective.
325 – AL Wiring Cylinder A5
Cause
Short circuit fault in the injector
wiring for cylinder A5 or injector
defective.
326 – AL Wiring Cylinder A6
Cause
Short circuit fault in the injector
wiring for cylinder A6 or injector
defective.
Corrective action
1. Check condition of batteries (plant).
2. Check plug connections to Engine Control Unit (→ Page 334).
3. Check battery charging-generator.
4. Contact Service.
Corrective action
1. Check wiring of affected injector (→ Page 332).
2. Replace injector (→ Page 244).
3. Contact Service.
Corrective action
1. Check wiring of affected injector (→ Page 332).
2. Replace injector (→ Page 244).
3. Contact Service.
Corrective action
1. Check wiring of affected injector (→ Page 332).
2. Replace injector (→ Page 244).
3. Contact Service.
Corrective action
1. Check wiring of affected injector (→ Page 332).
2. Replace injector (→ Page 244).
3. Contact Service.
Corrective action
1. Check wiring of affected injector (→ Page 332).
2. Replace injector (→ Page 244).
3. Contact Service.
Corrective action
1. Check wiring of affected injector (→ Page 332).
2. Replace injector (→ Page 244).
3. Contact Service.
MS15038/01E 2018-11 | Troubleshooting | 203
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