DTC Troubleshooting: B2840-13
ElectronicCircuitSchematics-button
ADInfo-button
DTC Advanced Diagnostics: B2840-13
DTC B2840-13
: SRS Unit Connector A Not Properly Installed
NOTE:
Before doing this troubleshooting procedure, find out if the vehicle was in a collision. If so, verify that all the required components were replaced with new components of the correct part number and were properly installed
.
Before doing this troubleshooting procedure, review
SRS Precautions and Procedures
,
General Troubleshooting Information
, and
12 Volt Battery Terminal Disconnection and Reconnection
.
DTC Description
DTC
B2840-13 SRS unit connector A not properly installed
DTC (SRS)
1.
Problem verification:
Problem verification
?1.
Clear the DTCs with the HDS.
Clear DTCs
?2.
Turn the vehicle to the ON mode, then wait for 10 seconds.
?3.
Check for DTCs with the HDS.
DTC Description
DTC
B2840-13 SRS unit connector A not properly installed
Is DTC B2840-13 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, troubleshoot the DTC.?
2.
Connector connection check:
Connector connection check
?1.
Turn the vehicle to the OFF (LOCK) mode.
?2.
Check the following connection.
SRS unit connector A (39P)
Is the connector OK?
YES
Go to step 4.
NO
Go to step 3.
3.
System check:
System check
?1.
Reset the loose connections that caused the problem in step
2
.
?2.
Clear the DTCs with the HDS.
Clear DTCs
?3.
Turn the vehicle to the ON mode, then wait for 10 seconds.
?4.
Check for DTCs with the HDS.
DTC Description
DTC
B2840-13 SRS unit connector A not properly installed
Is DTC B2840-13 indicated?
YES
Turn the vehicle to the OFF (LOCK) mode, then go to step 4.
NO
The system is OK at this time.?
4.
SRS unit check:
SRS unit check
?1.
Disconnect the negative cable from the 12 volt battery, then wait at least 3 minutes.
?2.
Disconnect the following connector.
SRS unit connector A (39P)
?3.
Check for bent or damaged terminals on the SRS unit.
Are any terminals bent or damaged?
YES
Check for any authorized service information related to the DTCs or symptoms you are troubleshooting or
replace the SRS unit
.?
NO
Replace the dashboard wire harness, then clear the DTC.?
Troubleshooting Start