DTC B1632/81 Short to GND in Rear Curtain Shield Squib RH Circuit
DESCRIPTION
The rear 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 B1632/81 is recorded when a short to ground is detected in the rear curtain shield squib RH circuit.
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
1 CHECK CURTAIN SHIELD AIRBAG ASSEMBLY RH (REAR CURTAIN SHIELD SQUIB RH)
CAUTION: Never connect a tester to the curtain shield airbag assembly RH (Rear 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 B1632/81 is not output.
HINT: Codes other than DTC B1632/81 may be output at this time, but they are not related to this check.
REPLACE CURTAIN SHIELD AIRBAG ASSEMBLY RH
2 CHECK FLOOR WIRE NO.2 (REAR CURTAIN SHIELD SQUIB RH CIRCUIT)
Standard resistance
3 CHECK CENTER AIRBAG SENSOR ASSEMBLY
OK: DTC B1632/81 is not output.
HINT: Codes other than DTC B1632/81 may be output at this time, but they are not related to this check.
USE SIMULATION METHOD TO CHECK
Problem symptoms table
Vehicle stability control system:
TERMINALS OF ECU
1. Terminal of ECU
(*1): Models with dynamic laser cruise control
(*2): 2WD model
2. Terminal Inspection
(a) Disconnect the connector and measure the voltage or resistance on the wire harness side.
HINT: Voltage cannot be measured wit ...
Indicator Circuit
DESCRIPTION
The indicator displays the location of the obstacle and the approximate
distance between the vehicle and
the obstacle either by blinking or turning on.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - AIR CONDITIONER
AMPLIFIER)
...
Setting up intuitive parking assist
You can change the buzzer sound volume and the screen operating
conditions.
Press the “APPS” button.
Select “Setup” on the screen.
Select “Vehicle” on the screen.
Select “TOYOTA Park Assist Settings” on the screen.
Select the desired item.
The buzzer sound volu ...