Diagnostic Procedure

STEP	INSPECTION		ACTION
1	INSPECT FUSES Are the fuses normal?	Yes	Go to the next step.
1	INSPECT FUSES Are the fuses normal?	No	Replace the fuses, then go to the step 3.
2	INSPECT EHPAS CM POWER SUPPLY CIRCUIT FOR OPEN OR SHORT CIRCUIT Start the engine. Measure the voltage between following EHPAS CM terminal (wiring harness-side) and ground. EHPAS CM: 2F-ground Is voltage 10 V or more ?	Yes	Go to the next step.
2		No	Repair or replace the harness for open circuit between EHPAS CM and ground, then go to next step.
3	VERIFY THAT THE SAME DTC IS NOT PRESENT Make sure to reconnect all disconnected connectors. Clear the DTC from the memory. (See ELECTRO HYDRAULIC POWER ASSIST STEERING (EHPAS) ON-BOARD DIAGNOSIS .) Is same DTC present?	Yes	Replace the electric power steering oil pump component, then go to the next step. (See ELECTRIC POWER STEERING OIL PUMP COMPONENT REMOVAL/INSTALLATION .)
3		No	Go to the next step.
4	VERIFY THAT NO OTHER DTCs ARE PRESENT Are any other DTCs output?	Yes	Go to the applicable DTC inspection. (See ELECTRO HYDRAULIC POWER ASSIST STEERING (EHPAS) ON-BOARD DIAGNOSIS .)
4		No	Troubleshooting completed.