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Causes: (1) Abnormality of PTC unit (2) Imperfection insertion of PTC unit (3) PTC unit not inserted (4) Disconnection, abnormality of PTC unit.Description: PTC High-voltage output trouble.2) Check the connectors of the high voltage MC PWB and the high voltage TC PWB and connect these connectors again.(MC PWB input connector CN1,TC PWB input connector CN1) 3) Check or replace the high voltage MC PWB and the high voltage TC PWB

Remedy: 1) Check the connections of the connectors to the high voltage MC PWB and the high voltage TC PWB on the PCU PWB or connect these connectors again (PCU PWB input CN10).(PCU PWB input CN10) 2) Both input connectors disconnections of the high voltage MC PWB and the high voltage TC PWB.(MC PWB input connector CN1,TC PWB input connector CN1) 3) 24V fuses meltdown in the high voltage MC PWB and the high voltage TC PWB

Causes: 1) PCU connector (input harness to the high voltage MC PWB and the TC PWB) disconnection.

Description: High-voltage MC/TC PWB trouble.

Remedy: 1) Check the harness and the connector (MC PWB Input connector CN1) 2) Check or replace the harness.(MC PWB input connector CN1-10pin, CN1-11pin) 3) 4) Replace the MC PWB.

2) Harness (MC-K-ERR, MC-CMY-ERR) pin disconnection (MC PWB input connector CN1- 10pin,CN1-11pin) 3) 24V fuse meltdown in the high voltage MC PWB 4) High voltage error circuit (MC-K-ERR, MC-CMYERR) breakage in the high voltage MC PWB

Causes: 1) Input harness disconnection in the high voltage MC PWB.

Description: High-voltage MC PWB trouble.

2) Check disconnection of the high voltage MC PWB connector./Replace.

Remedy: 1) Check connection of the harness.(MC PWB Input connector CN1-11pin) Replace the harness.

Causes: 1) Pin getting away of a harness (MC-CMY-ERR) and breaking (MC PWB Input connector CN1-11pin) 2) High-voltage error circuit (MC-CMYERR) damage.

Description: High-voltage MC color circuit trouble.

Remedy: 1) Check connection of the harness.(MC PWB Input connector CN1-10pin) Replace the harness.

Causes: 1) Pin getting away of a harness (MC-K-ERR) and breaking (MC PWB Input connector CN1-10pin) 2) High-voltage error circuit (MC-K-ERR) damage.

Description: High-voltage MC Black circuit trouble.