TROUBLESHOOTING ERROR CODE D182KZ ERROR CODE D182KZ (PREHEATER RELAY COIL: DISCONNECTION OR SHORT CIRCUIT (KZ)) Action code Error code Controller code Preheater relay coil: Disconnection or short circuit (KZ) Trouble E01 D182KZ Engine (Engine controller...
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TROUBLESHOOTING ERROR CODE D182KZ ERROR CODE D182KZ (PREHEATER RELAY COIL: DISCONNECTION OR SHORT CIRCUIT (KZ)) Action code Error code Controller code Preheater relay coil: Disconnection or short circuit (KZ) Trouble E01 D182KZ Engine (Engine controller system) Contents of • The drive circuit of the preheater relay has a trouble of disconnection or short circuit. trouble Action of • Stops ground output to preheater relay. controller Problem that • Preheater relay cannot be driven. appears on • Preheater relay is driven, regardless of atmospheric temperature. machine Related aThis error code detects abnormality in primary side (coil side) of preheater relay, but not in secondary information side (contact side). Cause Standard value in normal state/Remarks on troubleshooting aPrepare with starting switch OFF, then carry out troubleshooting Defective preheater relay without turning starting switch ON. 1 (RHR) (Internal disconnec- 200 – Between RHR (female) (1) – (2) Resistance tion or gro
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