10B-22 Body Electrical Control System:
DTC B1157 (No.1157) Air Bag Deployment Signal Input
S4RS0AA204023
Wiring Diagram
DTC Detecting Condition and Possible cause
Flow Test Description
Step 1:
Check DTC for SDM.
DTC troubleshooting
DTC B1170 (No. 1170): EEPROM access error
S4RS0AA204012
DTC Detecting Condition and Possible Cause
DTC Troubleshooting
NOTE:
Before performing steps below, be sure to perform “Body Electrical Control System Check: ”.
1) Ignition switch OFF.
2) Replace BCM.
3) Repeat BCM Check Flow Table.
I4RS0AA20012-
[A]: Junction block assembly connector viewed from harness side
2. BCM
1. SDM
3. Junction block assembly
DTC detecting condition
Possible cause
Air bag deployment signal is fed from SDM to BCM.
• Air bag component parts
• BCM malfunction
Step
Action
Yes
No
1
Check DTC for SDM
1) Check DTC stored in SDM referring to “DTC Check: in
Is DTC B1021 detected?
Go to “DTC B1021:
Front Air Bag Module
Deployed: in Section
8B”.
Substitute a known-
good BCM (included in
junction block
assembly) and recheck.
DTC detecting condition
Possible cause
Data write error or check sum error.
BCM malfunction
Содержание SWIFT RS415 2017
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