DTC P0562/11 POWER SUPPLY LINE ABNORMAL

FUNCTION EXPLANATION

The battery voltage is applied at the +B terminal when the ignition switch is ON.
When trouble has occurred in this +B voltage signal system, the transmission control computer ASSY puts out a diagnostic code.

Detection condition 1

DTC No.	Diagnosis conditions Trouble status Trouble length Others	Inspection part
P0562/11	For 0.2 sec after ignition switch OFF Wire break or short-circuit of the +B terminal circuit None 2 trips	ECU +B fuse Wire harness and connector (+B signal system) Transmission control computer ASSY

Detection condition 2

DTC No.	Diagnosis conditions Trouble status Trouble length	Inspection part
P0562/11	Ignition switch OFF The engine does not stop within 15 sec after ignition switch OFF None	ECU +B fuse Wire harness and connector (+B signal system) Transmission control computer ASSY

CIRCUIT DIAGRAM

INSPECTION PROCEDURE

1. INSPECT FUSE (ECU +B)

Detail

Check for continuity between the terminals.
Standard:
Conductivity

Replace the fuse (ECU +B)

Proceed to [2]INSPECT TRANSMISSION CONTROL COMPUTER ASSY BY ITSELF (INSPECT VOLTAGE)

2. INSPECT TRANSMISSION CONTROL COMPUTER ASSY BY ITSELF (INSPECT VOLTAGE)

Detail

Set the ignition switch to ON.

Check the voltage between the terminals of the transmission control computer ASSY. (Refer to page for the terminal layout.)
Standard:

Terminal No. (terminal symbol) Voltage [V]

B7 (+B) ↔ B8 (GND1) 20-32

Repair or replace wire harness and connector.

Inspect and replace the transmission control computer ASSY.

Terminal No. (terminal symbol)	Voltage [V]
B7 (+B) ↔ B8 (GND1)	20-32

DTC Clear

Detail

Confirm the DTC P0562/11 is inactive

Start the engine and let it idling condition.
Verify the DTC P0562/11 is inactive.

DTC Clear

Clear the DTC with Hino DX
Confirm the same DTC is not reoccurred

P0562/11 is reoccurF Return to first process
Other DTC appearF Refer to concerned Trouble shooting

Complete