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.
DTC No. |
DTC Detecting Condition |
Trouble Area |
B1638/86 |
|
|
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.
Go to step 2
REPLACE CURTAIN SHIELD AIRBAG ASSEMBLY LH
2 CHECK FLOOR WIRE (REAR CURTAIN SHIELD SQUIB LH CIRCUIT)
Standard voltage
REPAIR OR REPLACE FLOOR WIRE
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.
REPLACE CENTER AIRBAG SENSOR ASSEMBLY
USE SIMULATION METHOD TO CHECK
Air outlets
Location of air outlets
The air outlets and air volume
changes according to the
selected air flow mode.
Adjusting the position of the air outlets
Direct air flow to the front or
rear, up or down.
Temperature display
The temperature display on the multi-information display can be chan ...
Removal
NOTICE:
Do not adjust the brake booster push rod.
Do not change the combination of the diameter
converting unit and brake.
1. REMOVE FRONT WHEEL
2. DRAIN BRAKE FLUID
NOTICE:
Wash the brake fluid off immediately if it attaches to
any painted surfaces.
3. SEPARATE BATTERY NEGATIVE TERM ...
Removal
1. REMOVE INSTRUMENT PANEL SUB-ASSEMBLY WITH PASSENGER AIRBAG ASSEMBLY
HINT:
Refer to the instructions for removal of the instrument
panel sub-assembly w/ passenger airbag assembly (See
page IP-5).
2. REMOVE HEATER TO FOOT DUCT NO.1
(a) Remove the clip and the heater to foot duct No. 1.
3 ...