Other information:
Diagnosis Procedure
CHECK TCM POWER CIRCUIT (PART 1)
Turn ignition switch OFF.
Disconnect TCM connector.
Check voltage between TCM harness connector terminals and ground.
+ − Voltage
TCM
Connector Terminal
F25
45
Ground
10 – 16 V
46
Is the inspection result normal?
YES>>
GO TO 2...
DTC Description
DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition
C1606
EPS MOTOR
(EPS motor)
Diagnosis condition
When engine is running.
Signal (terminal)
—
Threshold
Power steering motor failure or power steering control module motor driver failure
Diagnosis delay time
1 second or more
POSSIBLE CAUSE
Harness or connectors
Power steering control motor
Power steering control module
FAIL-SAFEManual steering state
DTC Confirmation Procedure
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always place the ignition switch in the OFF position and wait at least 10 seconds before conducting the next test...