DTC B1186/58 Open in Front Passenger Side Squib 2nd Step Circuit
DESCRIPTION
The front passenger side squib 2nd step circuit consists of the center airbag sensor assembly and the front passenger airbag assembly.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1186/58 is recorded when an open circuit is detected in the front passenger side squib 2nd step circuit.
|
DTC No. |
DTC Detecting Condition |
Trouble Area |
|
B1186/58 |
|
|
INSPECTION PROCEDURE
HINT:
1 CHECK FRONT PASSENGER AIRBAG ASSEMBLY (FRONT PASSENGER SIDE SQUIB 2ND STEP)

CAUTION: Never connect a tester to the front passenger airbag assembly (front passenger 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 B1186/58 is not output. HINT: Codes other than DTC B1186/58 may be output at this time, but they are not related to this check.
Go to step 2

REPLACE FRONT PASSENGER AIRBAG ASSEMBLY
2 CHECK INSTRUMENT PANEL WIRE (FRONT PASSENGER SIDE SQUIB 2ND STEP CIRCUIT)

Standard resistance

REPAIR OR REPLACE INSTRUMENT
PANEL
WIRE

3 CHECK CENTER AIRBAG SENSOR ASSEMBLY

OK: DTC B1186/58 is not output. HINT: Codes other than DTC B1186/58 may be output at this time, but they are not related to this check.
REPLACE CENTER AIRBAG SENSOR
ASSEMBLY

USE SIMULATION METHOD TO CHECK
Short in Front Passenger Side Squib 2nd Step
Circuit
Short to GND in Front Passenger Side Squib
2nd Step CircuitDiagnosis system
1. CHECK DLC3
The vehicle's ECU uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format.
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do not
ope ...
Removal
1. REMOVE BATTERY (See page EM-26)
2. REMOVE NO. 2 AIR CLEANER INLET (See page EM-
28)
3. REMOVE AIR CLEANER CAP SUB-ASSEMBLY (See
page FU-13)
4. REMOVE AIR CLEANER FILTER ELEMENT (See page
EM-28)
5. REMOVE AIR CLEANER CASE SUB-ASSEMBLY (See
page EM-28)
6. REMOVE AIR CLEANER BRACKET
(a ...
Removal
HINT:
On the LH side, use the same procedures as on the RH side.
1. REMOVE FRONT DOOR SCUFF PLATE RH
Using a screwdriver, disengage the 3 clips and 2
claws, and remove the scuff plate.
HINT:
Tape the screwdriver tip before use.
2. REMOVE FRONT DOOR SCUFF PLATE LH
3. REMOVE REAR DOO ...