DTC B1635/87 Short in Rear Curtain Shield Squib LH Circuit
DESCRIPTION
The rear curtain shield squib LH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly LH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1635/87 is recorded when a short circuit is detected in the rear curtain shield squib LH circuit.
DTC No. |
DTC Detecting Condition |
Trouble Area |
B1635/87 |
|
|
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
1 CHECK CURTAIN SHIELD AIRBAG ASSEMBLY LH (REAR CURTAIN SHIELD SQUIB LH)
CAUTION: Never connect a tester to the curtain shield airbag assembly LH (Rear curtain shield squib LH) 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 B1635/87 is not output. HINT: Codes other than DTC B1635/87 may be output at this time, but they are not related to this check.
Go to step 2
REPLACE CURTAIN SHIELD AIRBAG ASSEMBLY LH
2 CHECK CONNECTORS
OK: The lock button is not disengaged, and the claw of the lock is not deformed or damaged.
REPAIR OR REPLACE FLOOR WIRE
3 CHECK FLOOR WIRE (REAR CURTAIN SHIELD SQUIB LH CIRCUIT)
Resistance
REPAIR OR REPLACE FLOOR WIRE
4 CHECK CENTER AIRBAG SENSOR ASSEMBLY
OK: DTC B1635/87 is not output. HINT: Codes other than DTC B1635/87 may be output at this time, but they are not related to this check.
REPLACE CENTER AIRBAG SENSOR ASSEMBLY
USE SIMULATION METHOD TO CHECK
How to proceed with
troubleshooting
HINT:
Troubleshoot in accordance with the procedures on the
following pages.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
3 INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX
COMMUNICATION SYSTEM (BEAN)
Use the intelligent tester to check for norma ...
Installation
1. Install purge vsv
(A) install the purge vsv with the bolt.
Torque: 10 n*m (102 kgf*cm, 7 ft.*Lbf)
(B) connect the 2 vacuum hoses and no. 1 Vacuum
switching valve connector.
2. INSTALL V-BANK COVER SUB-ASSEMBLY (See
page EM-63)
3. CONNECT CABLE TO NEGATIVE BATTERY
TERMINAL ...
Diagnosis 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 ...