DTC B1638/86 Short to B+ 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 B1638/86 is recorded when a short to B+ 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 B1638/86 is not output.
HINT: Codes other than DTC B1638/86 may be output at this time, but they are not related to this check.
REPLACE CURTAIN SHIELD AIRBAG ASSEMBLY LH
2 CHECK FLOOR WIRE (REAR CURTAIN SHIELD SQUIB LH CIRCUIT)
Standard voltage
3 CHECK CENTER AIRBAG SENSOR ASSEMBLY
OK: DTC B1638/86 is not output.
HINT: Codes other than code B1638/86 may be output at this time, but they are not related to this check.
USE SIMULATION METHOD TO CHECK
Precaution
1. PRECAUTION
(a) Before inspecting and repairing the fuel system,
disconnect the cable from the negative (-) battery
terminal.
(b) Do not smoke or work near fire when handling the
fuel system.
(c) Keep gasoline away from rubber or leather parts.
2. DISCHARGE FUEL SYSTEM PRESSURE (*1)
...
Removal
HINT:
For the parking brake cable assembly No. 2, perform the
same procedure to the parking brake cable assembly No. 3.
1. REMOVE REAR WHEEL
2. REMOVE REAR BRAKE DRUM SUB-ASSEMBLY (for
Drum Type) (See page BR-37)
3. REMOVE FRONT BRAKE SHOE (for Drum Type) (See
page BR-37)
4. REMOVE REAR BRAK ...
Disassembly
1. REMOVE FRONT DIFFERENTIAL RING GEAR
(a) Place the match-marks on the ring gear and
differential case.
(b) Remove the 16 bolts.
(c) Using a plastic hammer, tap ring gear to remove it
from the case.
2. REMOVE FRONT DIFFERENTIAL SIDE GEAR
(a) Remove the differential LH case fr ...