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.
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.
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.
3 CHECK FLOOR WIRE (REAR CURTAIN SHIELD SQUIB LH CIRCUIT)
Resistance
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.
USE SIMULATION METHOD TO CHECK
On-vehicle inspection
1. INSPECT CAMSHAFT TIMING CONTROL VALVE ASSEMBLY
Connect the intelligent tester to the DLC3.
Turn the ignition switch to the ON position.
Start the engine and warm it up.
Select the intelligent tester from the ACTIVE TEST
menu.
Check the engine speed ...
Terminals of ECU
1. RADIO AND NAVIGATION ASSEMBLY
*1: with Rear Seat Entertainment System
Reference: waveform 1
HINT:
Terminal: VV+ - VV-
Gauge set: 200 mV/DIV, 10 μs/DIV
Condition: DVD is played on radio and navigation
assembly
Reference: wave ...
Freeze frame data
1. DESCRIPTION
The ECM records vehicle and driving condition
information as freeze frame data the moment a DTC
is stored. When troubleshooting, freeze frame data
can be helpful in determining whether the vehicle
was running or stopped, whether the engine was
warmed up or not, whe ...