Inspection Procedure

CHECK OTHER DTC OUTPUT

HINT:

The power tilt & power telescopic steering column system uses the multiplex communication system, so check its diagnostic system before proceeding to troubleshooting.

Check if DTC B2621 is output.

Result

RESULT REFERENCE

DTC Condition	Proceed to
No output	A
B2621 is output	B

HINT:

If DTC B2621 besides B2602 and B2606 are output, perform troubleshooting for B2621 first.
DTC B2621 indicates a communication interruption for the power tilt & power telescopic steering column system.

B : REPAIR CIRCUIT INDICATED BY OUTPUT CODE

A: Go To Next Step

READ VALUE OF INTELLIGENT TESTER

Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG) and turn the intelligent tester on.
Select "KEY CODE (MPX) " and "IG SW (MPX)" from the DATA LIST.
Check the communication state of the tester screen.

TILT & TELESCO

TILT & TELESCO REFERENCE

Item	Measurement Item/Range (Display)	Normal Condition
KEY CODE (MPX)	Communication state of key code confirmation signal / ON or OFF	ON: Communication is normal OFF: Communication is interrupted
IG SW	(MPX) Communication state of engine switch / ON or OFF	ON: Communication is normal OFF: Communication is interrupted

OK:

"ON" is displayed.

NG: CHECK SMART ACCESS SYSTEM WITH PUSH-BUTTON START

OK: Go To Next Step

RECONFIRM DTC
1. Clear the DTC.
2. Check for DTCs.
OK:

DTC B2602 and/or B2606 is not output.

NG: REPLACE MULTIPLEX TILT & TELESCOPIC ECU

OK: End