Diagnostic Test

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONNECTION CONDITION
1. Turn ignition switch OFF.
2. Check the connection condition of the traction motor inverter harness connector.
Is the inspection result normal?

YES

GO TO STEP 2.

NO

Repair or replace damaged parts.

CHECK DTC HIGH VOLTAGE COOLING SYSTEM
1. Turn switch ON and wait for 10 seconds or more.
2. Perform "Self Diagnostic Results" in "EV/HEV".
Is any DTC detected?

YES

Check DTC detected item. Refer to DTC INDEX .

NO

GO TO STEP 3.

CHECK COOLANT WATER

Check the coolant level and check for coolant leakage. Refer to INSPECTION .

Is the inspection result normal?

YES

GO TO STEP 4.

NO

Repair or replace damaged parts.

CHECK COOLANT HOSE

Check for clogging of fluid paths and twisting of hoses in traction motor inverter and transmission assembly. Refer to HIGH VOLTAGE COOLING SYSTEM .

Is the inspection result normal?

YES
1. Replace the traction motor inverter. Refer to REMOVAL AND INSTALLATION .
2. If a malfunction still occurs after replacement of the traction motor inverter, replace transmission assembly. Refer to REMOVAL AND INSTALLATION .
NO

Repair or replace damaged parts.