DTC B00D5-12: Restraint System Passenger Disable Indicator Circuit Short to Battery [06/2020 - 10/2022]: Procedure

1. Turn the ignition switch off.
2. Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.
3. Check that the connectors are properly connected to the airbag ECU assembly and telltale light assembly.

   Result

   Proceed to
   The connectors are properly connected
   The connectors are not properly connected

Result: 

The connectors are not properly connected 

CONNECT CONNECTORS PROPERLY 

Result: 

The connectors are properly connected 

See step  2

1. Disconnect the airbag ECU assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Telltale Light Assembly
   *2	Airbag ECU Assembly
   *3	Wire Harness

2. Disconnect the telltale light assembly connector.
3. Check that the connectors (on the airbag ECU assembly side and telltale light assembly (passenger airbag ON/OFF indicator) side) are not damaged.

   Result

   Proceed to
   The connectors are not deformed or damaged
   The connectors are deformed or damaged

Result: 

The connectors are deformed or damaged 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

The connectors are not deformed or damaged 

See step  3

1. Connect the cable to the negative (-) auxiliary battery terminal, and wait for at least 2 seconds.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Telltale Light Assembly (Passenger Airbag ON/OFF Indicator)
   *2	Airbag ECU Assembly
   *3	Wire Harness
   *a	Front view of wire harness connector (to Telltale Light Assembly (Passenger Airbag ON/OFF Indicator))
   *b	Front view of wire harness connector (to Airbag ECU Assembly)

2. Turn the ignition switch to ON.
3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   G70-35 (PAON) or G31-4 (PAON) - Body ground	Ignition switch ON	Below 1 V

4. Turn the ignition switch off.
5. Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

1. Connect the G31 telltale light assembly (passenger airbag ON/OFF indicator) connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Telltale Light Assembly (Passenger Airbag ON/OFF Indicator)
   *2	Airbag ECU Assembly
   *3	Wire Harness
   *a	Front view of wire harness connector (to Airbag ECU Assembly)

2. Using a service wire, connect terminal 35 (PAON) of connector B and body ground.
   NOTE:

   Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.

3. Connect the cable to the negative (-) auxiliary battery terminal, and wait for at least 2 seconds.
4. Turn the ignition switch to ON.
5. Check the passenger airbag ON/OFF indicator operation.

   OK

   The passenger airbag ON/OFF indicator "ON" does not come on.

6. Turn the ignition switch off.
7. Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.
8. Disconnect the service wire from connector B.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE AIRBAG ECU ASSEMBLY. Refer to  REMOVAL [06/2020 - 12/2021]  , or refer to  REMOVAL [12/2021 - 10/2022] 

Result: 

NG 

REPLACE TELLTALE LIGHT ASSEMBLY. Refer to  REMOVAL [06/2020 - ]