B1659

DTC B1659 REAR IMPACT DETECTED

GENERAL DESCRIPTION
DTC is detected when a rear Crash is recorded in the SRS Control module. Although it is detected , any airbag doesn't inflate. And DTC code is only eliminated by using HI-scan.

TERMINAL & CONNECTOR INSPECTION
1. Visually inspect all connectors related to the affected circuit for damage and secure connection.
2. Inspect terminals for damage and corrosion.

CAUTION: Avoid damaging connectors during the inspection process.

3. Are any problems found?

NO - Go to next step.

YES - After repairing the trouble part, check whether DTC occurs or not.

INSPECTION PROCEDURE

1. PREPARATION
1. Turn the ignition switch to LOCK, remove battery (-) cable. Wait for 1 min.
2. Connect battery (-) cable ,connect Hi-scan. Turn on the ignition, wait for 30 sec..
3. IGN ON, Engine off. Select "Diagnostic Trouble Codes (DTCs)" mode.
4. Monitor diagnostic trouble code and present of trouble code.
5. Using a scan tool, clear the DTCs.

Is a DTC monitored?

YES - If a DTC can't be eliminated, replace the SRSCM. Then go to next step.

NO - System is OK at this moment.

2. CLEAR THE DTC AND CHECK THE VEHICLE AGAIN
1. Install the DAB module and connect the DAB connector.
2. Connect the connectors of the PAB, SAB, CAB, BPT, BUPT, FIS and SIS.
3. Connect the SRSCM connector.
4. Connect the negative (-) terminal to the battery.
5. Connect a Hi-Scan (Pro) to the data link connector.
6. Turn the ignition switch to ON.
7. Clear the DTC stored in the SRSCM memory with the Hi-Scan (Pro).
8. Turn the ignition switch to LOCK and wait for at least 30 seconds.
9. Turn the ignition switch to ON and wait for at least 30 seconds.
10. Check the vehicle again with the Hi-Scan (Pro).

Does the above DTC(s) go off?

YES - Problem is intermittent or was repaired and SRSCM memory was not cleared.

NO - Replace the SRSCM with a new one, and then check the vehicle again. At this time, if the vehicle normally operates with a new SRSCM, the fault may be the SRSCM (Replace SRSCM).