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Trouble Godes - diagramas.diagram...

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EOBD trouble code table<br />

<strong>Trouble</strong><br />

code<br />

PO668<br />

PO671<br />

PO672<br />

PO673<br />

PO674<br />

PO675<br />

PO676<br />

PO677<br />

PO678<br />

PO679<br />

PO680<br />

PO681<br />

PO682<br />

PO683<br />

PO684<br />

PO685<br />

I k uH location I Probable cause<br />

1<br />

I<br />

PCM/ECM/TCM internal temperature sensor - circuit low Wiring short to earth, internal temperature sensor,<br />

ECM<br />

PCM/ECM/TCM internal temperature sensor - circuit high Wiring short to positive, internal temperature sensor,<br />

ECM<br />

Glow plug control module - circuit malfunction Wiring, poor connection, glow plug control module,<br />

alow plua, ECM<br />

Glow plug, cylinder 1 - circuit malfunction<br />

Wiring, poor connection, relay, glow plug control<br />

module, glow plug, ECM<br />

Glow plug, cylinder 2 - circuit malfunction<br />

Wiring, poor connection, relay, glow plug control<br />

module, glow plug, ECM<br />

Glow plug, cylinder 3 - circuit malfunction<br />

Wiring, poor connection, relay, glow plug control<br />

module, glow plug, ECM<br />

Glow plug, cylinder 4 - circuit malfunction<br />

Wiring, poor connection, relay, glow plug control<br />

module, glow plug, ECM<br />

Glow plug, cylinder 5 - circuit malfunction<br />

Wiring, poor connection, relay, glow plug control<br />

module, glow plug, ECM<br />

Glow plug, cylinder 6 - circuit malfunction<br />

Wiring, poor connection, relay, glow plug control<br />

module, glow plug, ECM<br />

Glow plug, cylinder 7 - circuit malfunction<br />

Wiring, poor connection, relay, glow plug control<br />

module, glow plug, ECM<br />

Glow plug, cylinder 8 - circuit malfunction<br />

Wiring, poor connection, relay, glow plug control<br />

module, glow plug, ECM<br />

Glow plug, cylinder 9 - circuit malfunction<br />

Wiring, poor connection, relay, glow plug control<br />

module, glow plug, ECM<br />

Glow plug, cylinder 10 - circuit malfunction<br />

Wiring, poor connection, relay, glow plug control<br />

module, glow plug, ECM<br />

Glow plug, cylinder 11 - circuit malfunction<br />

Glow plug, cylinder 12 - circuit malfunction<br />

Glow plug control module/ECM/PCM communication -<br />

malfunction<br />

Glow plug control modulelECM1PCM communication -<br />

rangelperformance<br />

ECMJPCM power relay - circuit open<br />

Wiring, poor connection, relay, glow plug control<br />

module, glow plug, ECM<br />

Wiring, poor connection, relay, glow plug control<br />

module, glow plug, ECM<br />

Wiring, poor connection, glow plug control module,<br />

ECMIPCM<br />

PO686 1 ECMIPCM power relay - circuit low I Wiring short to earth, ECMIPCM power relay, ECM<br />

PO687<br />

PO688<br />

Engine control relay - short to earth<br />

Engine control relay - short to positive<br />

Wiring, poor connection, glow plug control module,<br />

ECMIPCM<br />

Wiring, ECMIPCM power relay<br />

Wiring short to earth, engine control relay, ECM<br />

Wiring short to positive, engine control relay, ECM<br />

PO689 1 ECMIPCM power relay - sense circuit low I Wiring short to earth, ECMIPCM power relay, ECM<br />

PO690 I ECMIPCM power relay -sense circuit high I Wiring short to positive, ECMIPCM power relay, ECM<br />

PO691<br />

PO692<br />

PO694<br />

PO695<br />

PO696<br />

1<br />

Engine coolant blower motor 1 - short to earth Wiring short to earth, engine coolant blower motor,<br />

ECM<br />

Engine coolant blower motor 1 - short to positive Wiring short to positive, engine coolant blower motor,<br />

Engine coolant blower motor 2 - short to earth<br />

ECM<br />

Wiring short to earth, engine coolant blower motor,<br />

1 ECM<br />

Engine coolant blower motor 2 - short to positive Wiring short to positive, engine coolant blower motor,<br />

ECM<br />

Engine coolant blower motor 3 - control circuit low Wiring short to earth, blower motor<br />

Engine coolant blower motor 3 - control circuit high<br />

Wiring short to positive, blower motor<br />

PO697 1 Sensor reference voltage C - circuit open I Wiring short to positive<br />

PO698<br />

PO699<br />

Sensor reference voltage C - circuit low<br />

Sensor reference voltage C - circuit high<br />

Wiring short to earth<br />

Wiring short to positive

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