DTC B1162/81 Short to GND in Curtain Shield Squib RH Circuit
DESCRIPTION
The curtain shield squib RH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly RH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1162/81 is recorded when a short to ground is detected in the curtain shield squib RH circuit.
DTC No. |
DTC Detecting Condition |
Trouble Area |
B1162/81 |
|
|
INSPECTION PROCEDURE
HINT:
1 CHECK CURTAIN SHIELD AIRBAG ASSEMBLY RH (CURTAIN SHIELD SQUIB RH)
CAUTION: Never connect a tester to the curtain shield airbag assembly RH (Curtain shield squib RH) 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 B1162/81 is not output. HINT: Codes other than DTC B1162/81 may be output at this time, but they are not related to this check.
Go to step 2
REPLACE CURTAIN SHIELD AIRBAG ASSEMBLY RH
2 CHECK FLOOR WIRE NO.2 (CURTAIN SHIELD SQUIB RH CIRCUIT)
Standard resistance
REPAIR OR REPLACE FLOOR WIRE NO.2
3 CHECK CENTER AIRBAG SENSOR ASSEMBLY
OK: DTC B1162/81 is not output. HINT: Codes other than DTC B1162/81 may be output at this time, but they are not related to this check.
REPLACE CENTER AIRBAG SENSOR ASSEMBLY
USE SIMULATION METHOD TO CHECK
Actuator check
1. ACTUATOR CHECK
(a) After entering the DTC check mode (Sensor Check
Mode), press the R/F switch.
(b) As each damper, motor and relay automatically
operate actuator check at 1-second intervals from
step No. 1 to No. 10 continuously, check the
temperature and air flow visually and by hand. ...
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 ...
Ignition key cylinder light
ON-VEHICLE INSPECTION
1. KEY CYLINDER LIGHT ASSEMBLY
Connect the battery positive (+) lead to the terminal
1 and the battery negative (-) lead to the terminal 2,
and check that the indicator light comes on.
2. TRANSPONDER KEY AMPLIFIER
Inspect key cylinder light o ...