DTC 61-05: Motor Harness Short

NOTE: Before you troubleshoot, review the general troubleshooting information .

DTC Description	DTC	Freeze Frame
61-05 Motor Harness Short

1. Problem verification:

1. Turn the vehicle to the ON mode.

2. Clear the DTC with the HDS.

3. Turn the vehicle to the OFF (LOCK) mode, then start the engine.

4. Check for DTCs with the HDS.

DTC Description	DTC	Freeze Frame
61-05 Motor Harness Short

Is DTC 61-05 indicated?

YES

The failure is duplicated. Go to step 2.

Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.

2. Shorted wire check (MTR lines to power):

1. Turn the vehicle to the OFF (LOCK) mode.

2. Disconnect the following connector.

EPS control unit connector B (16P)

3. Turn the vehicle to the ON mode.

4. Measure the voltage between test points 1 and 2 individually (see table).

Test condition	Vehicle ON mode
	EPS control unit connector B (16P): disconnected

Test point 1:EPS Control Unit Connector B (16P)	Test point 2
No. 1	Body ground
No. 2
No. 3

Is there battery voltage?

YES

Repair a short to power in the wire between the EPS control unit and the EPS motor.

The MTR wires are not shorted to power. Go to step 3.

3. Shorted wire check (MTR lines) 1:

1. Turn the vehicle to the OFF (LOCK) mode.

2. Check for continuity between test points 1 and 2 individually (see table).

Test condition	Vehicle OFF (LOCK) mode
	EPS control unit connector B (16P): disconnected

Test point 1:EPS Control Unit Connector B (16P)	Test point 2
No. 1	Body ground
No. 2
No. 3

Is there continuity?

YES

Go to step 4.

The MTR wires are OK. Go to step 5.

4. Shorted wire check (MTR lines) 2:

1. Disconnect the following connector.

EPS motor 3P connector

2. Check for continuity between test points 1 and 2 individually (see table).

Test condition	Vehicle OFF (LOCK) mode
	EPS control unit connector B (16P): disconnected
	EPS motor 3P connector: disconnected

Test point 1:EPS Control Unit Connector B (16P)	Test point 2
No. 1	Body ground
No. 2
No. 3

Is there continuity?

YES

Repair a short to body ground in the wire between the EPS control unit and the EPS motor.

The MTR wires are OK. Replace the EPS motor .

5. EPS control unit check (update):

1. Reconnect the following connector.

EPS control unit connector B (16P)

2. Update the EPS control unit if it does not have the latest software.

3. Clear the DTC with the HDS.

4. Turn the vehicle to the OFF (LOCK) mode, then start the engine.

5. Check for DTCs with the HDS.

DTC Description	DTC	Freeze Frame
61-05 Motor Harness Short

Is DTC 61-05 indicated?

YES

Replace the EPS control unit .

Troubleshooting is complete.