7981340

1.

Check DTC on SMK side with scantool.

2.

Check that there is any DTC on SMK side or ESCL side.

3.

Inspect DTC related ESCL first if there is any DTC on the SMK side according to DTC troubleshooting guide.

4.

After inspetion and repair, erase DTC related ESCL.

5.

Erase DTC B1978 ESCL failure on Smartkey Module side.

6.

Has the DTC gone after erasing DTC with scantool ?

▶ Check poor connection between harness connector and ESCL, Smartkey Module

: Thoroughly check the looseness, poor connection, bent, corrison, contamination, deformation or damage of connector. Repair or replace as necessary and then, go to "Verification of Vehicle Repair" procedure.

▶ Go to check current dat as follows if there is DTC B1978 ESCL failure.

7.

Select current data parameters related Smartkey Module with scantool.

8.

Monitor "ESCL ENABLE" Output" are normal.

9.

Select current data parameter related SMK.

10.

Monitor "ESCL BATTERY OUTPUT", "ESCL GND OUTPUT" and "ESCL UNLOCK Signal" are normal.

Specification :

- Current Data parameter related Smartkey Module -

1. ESCL ENABLE Output : When SMK ECU gives the ESCL an operation signal, it detects an ON ,otherwise an OFF.

2. SMK Power mode status : indicates the current power mode status of the ESCL.

11.

Are all parameters related ESCL funtioning normally ?

▶ Check poor connection between harness connector and ESCL, Smartkey Module

: Thoroughly check the looseness, poor connection, bent, corrison, contamination, deformation or damage of connector. Repair or replace as necessary and then, go to "Verification of Vehicle Repair" procedure.

▶ If there is any parameter on the system or harness displayed abnormal, check harness and system.

▶ Go to "Inspection & Repair" procedure.