C-03, System Voltage Circuit
| C-03, System Voltage Circuit |
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| Test | Work Order Description | Nominal Value |
| T01 | Check: Diagnostic Trouble Code stored | |
| Is the following Diagnostic Trouble Code stored? P0560 BATTERY VOLTAGE HIGH | |
| Yes: E01 | No: T02 |
| T02 | Check: Component | |
| Ignition ON All consumers turned off Measure voltage between the following terminals: Battery Voltage (Positive Terminal) & Ground | greater than 11.5 V |
| Yes: T03 | No: E07 |
| T03 | Check: Component | |
| Engine starting Measure voltage between the following terminals: Battery Voltage (Positive Terminal) & Ground | greater than 8 V |
| Yes: T04 | No: E06 |
| T04 | Check: Component | |
| All consumers turned off Engine running in load range Measure voltage between the following terminals: Battery Voltage (Positive Terminal) & Ground | 13 ... 16.5 V |
| Yes: T05 | No: E05 |
| T05 | Check: Short to Ground/Interruption of Voltage Supply Circuit | |
| Ignition OFF Disconnect wiring harness connector from: K57 Control Unit - Multec Ignition ON Measure voltage between the following terminals: K57 Control Unit - Multec Wiring Harness Connector Terminal A6 & Ground | greater than 11.5 V |
| Yes: T06 | No: E04 |
| T06 | Check: Circuit Interruption of Ground Circuit | |
| Measure resistance between the following terminals: K57 Control Unit - Multec Wiring Harness Connector Terminal B1 & Ground | less than 2 Ohm |
| Yes: E02 | No: E03 |
| C-03, System Voltage Circuit |
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| Result | Cause Of Fault |
| E01 | Defective component: G2 Alternator |
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| E02 | If programming/nominal value is okay and system is still faulty the following component is defective: K58 Relay - Pump, Fuel or K57 Control Unit - Multec |
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| E03 | Circuit interruption between: K57 Control Unit - Multec Wiring Harness Connector Terminal B1 & Ground |
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| E04 | Short circuit to ground/interruption of circuit between: Battery Voltage (Positive Terminal) & K57 Control Unit - Multec Wiring Harness Connector Terminal A6 & |
| K58 Relay - Pump, Fuel Socket Terminal 4 or Defective component: K58 Relay - Pump, Fuel |
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| E05 | Circuit interruption between: G2 Alternator Terminal B+ & Battery Voltage (Positive Terminal) or Defective component: G2 Alternator |
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| E06 | Defective component: M1 Starter or G1 Battery |
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| E07 | Battery discharged Cell shorted Corroded Contacts Bad ground connection or Defective component: G1 Battery |
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