DTC B1181/18 Open in Driver Side Squib 2nd Step Circuit
DESCRIPTION
The driver side squib 2nd step circuit consists of the center airbag sensor assembly, the spiral cable and the steering pad.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1181/18 is recorded when an open circuit is detected in the driver side squib 2nd step circuit.

WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
1 CHECK STEERING PAD (DRIVER SIDE SQUIB 2ND STEP)

CAUTION: Never connect a tester to the steering pad (driver side squib 2nd step) for measurement, as this may lead to a serious injury due to airbag deployment.
NOTICE: Do not forcibly insert the SST into the terminals of the connector when connecting.
Insert the SST straight into the terminals of the connector.
SST 09843-18060
OK: DTC B1181/18 is not output.
HINT: Codes other than DTC B1181/18 may be output at this time, but they are not related to this check.
REPLACE STEERING PAD
2 CHECK DRIVER SIDE SQUIB 2ND STEP CIRCUIT

Standard resistance

3 CENTER AIRBAG SENSOR ASSEMBLY

OK: DTC B1181/18 is not output.
HINT: Codes other than DTC B1181/18 may be output at this time, but they are not related to this check.
USE SIMULATION METHOD TO CHECK
4 CHECK INSTRUMENT PANEL WIRE

Standard resistance

5 CHECK SPIRAL CABLE

Standard resistance

USE SIMULATION METHOD TO CHECK
Short in Driver Side Squib 2nd Step Circuit
Short to GND in Driver Side Squib 2nd Step CircuitCustomize parameters
HINT:
The following items can be customized.
NOTICE:
After confirming whether the items requested by the
customer are applicable or not for customization,
perform customizing operations.
Be sure to record the current settings before
customization.
When troubleshooti ...
How to proceed with
troubleshooting
HINT:
The intelligent tester can be used in steps 2, 3, 4, 6 and 9.
1 VEHICLE BROUGHT TO WORKSHOP
2 CONNECT INTELLIGENT TESTER TO DLC3
HINT:
If the display indicates a communication fault in the tester,
inspect the DLC3.
3 CHECK DTC AND FREEZE FRAME DATA
(a) Check for DTC(s) and freeze f ...
Adjustment procedure
Hold the steering wheel and
push the lever down.
Adjust to the ideal position by
moving the steering wheel horizontally
and vertically.
After adjustment, pull the lever up
to secure the steering wheel.
...