SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMC Made): B00D214; Restraint System Malfunction Indicator 1 Circuit Short to Ground or Open; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022

Last Modified: 05-13-2024	6.11:8.1.0	Doc ID: RM10000000259WO
Model Year Start: 2023	Model: GR Corolla	Prod Date Range: [09/2022 - 11/2022]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMC Made): B00D214; Restraint System Malfunction Indicator 1 Circuit Short to Ground or Open; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]

DTC

B00D214

Restraint System Malfunction Indicator 1 Circuit Short to Ground or Open

DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	DTC Output from	Priority	Test Mode / Check Mode
B00D214	Restraint System Malfunction Indicator 1 Circuit Short to Ground or Open	The airbag sensor assembly detects an open circuit signal or short circuit to ground signal in the passenger airbag ON/OFF indicator "ON" circuit when the airbag sensor assembly sends an "OFF" request signal to the "ON" indicator in the passenger airbag ON/OFF indicator. Passenger airbag ON/OFF indicator malfunction Airbag sensor assembly malfunction	Harness or connector Passenger airbag ON/OFF indicator (map light assembly) Airbag sensor assembly	Comes on	SRS Airbag	A	Does not apply to test/check mode

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
Click here

HINT:

When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

Click here
After replacing the airbag sensor assembly, refer to work procedure.
Click here

PROCEDURE

1.	CHECK PASSENGER AIRBAG ON/OFF INDICATOR CONDITION

Pre-procedure1

(a) Turn the ignition switch to ON.

Procedure1

(b) Check the passenger airbag ON/OFF indicator operation.

HINT:

Refer to the normal condition of the passenger airbag ON/OFF indicator.

Click here

Result	Proceed to
Passenger airbag ON/OFF indicator "ON" is always on.	A
Passenger airbag ON/OFF indicator "ON" is always off.	B

Post-procedure1

GO TO STEP 6

2.	CHECK CONNECTION OF CONNECTORS

Pre-procedure1

(a) Turn the ignition switch off.

(b) Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.

Procedure1

OK:

The connectors are properly connected.

Post-procedure1

(d) None

CONNECT CONNECTORS PROPERLY

3.	CHECK CONNECTORS

Pre-procedure1

(a) Disconnect the airbag sensor assembly connector.

*1	Map Light Assembly
*2	Airbag Sensor Assembly
*3	Wire Harness

(b) Disconnect the map light assembly connector.

Procedure1

OK:

The terminals are not deformed or damaged.

Post-procedure1

(d) None

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.	CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT TO GROUND IN THE CIRCUIT)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
I47-35 (PAON) or T6-20 (PAON) - Body ground	Always	1 MΩ or higher

*1	Map Light Assembly
*2	Airbag Sensor Assembly
*3	Wire Harness
*a	Front view of wire harness connector (to Map Light Assembly)
*b	Front view of wire harness connector (to Airbag Sensor Assembly)

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.	CHECK PASSENGER AIRBAG ON/OFF INDICATOR

Pre-procedure1

(a) Connect the map light assembly connector.

*1	Map Light Assembly
*2	Airbag Sensor Assembly
*3	Wire Harness

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

Procedure1

(d) Check the passenger airbag ON/OFF indicator operation.

OK:

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

Post-procedure1

(e) None

REPLACE AIRBAG SENSOR ASSEMBLY

REPLACE MAP LIGHT ASSEMBLY

6.	CHECK CONNECTION OF CONNECTORS

Pre-procedure1

(a) Turn the ignition switch off.

(b) Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.

Procedure1

OK:

The connectors are properly connected.

Post-procedure1

(d) None

CONNECT CONNECTORS PROPERLY

7.	CHECK CONNECTORS

Pre-procedure1

(a) Disconnect the airbag sensor assembly connector.

*1	Map Light Assembly
*2	Airbag Sensor Assembly
*3	Wire Harness

(b) Disconnect the map light assembly connector.

Procedure1

OK:

The terminals are not deformed or damaged.

Post-procedure1

(d) None

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.	CHECK HARNESS AND CONNECTOR (CHECK FOR OPEN IN THE CIRCUIT)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
I47-35 (PAON) - T6-20 (PAON)	Always	Below 1 Ω

*1	Map Light Assembly
*2	Airbag Sensor Assembly
*3	Wire Harness
*a	Front view of wire harness connector (to Map Light Assembly)
*b	Front view of wire harness connector (to Airbag Sensor Assembly)

REPAIR OR REPLACE HARNESS OR CONNECTOR

9.	CHECK HARNESS AND CONNECTOR (POWER SOURCE VOLTAGE)

Pre-procedure1

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

(b) Turn the ignition switch to ON.

Procedure1

Standard Voltage:

Tester Connection	Condition	Specified Condition
T6-14 (RRID) - Body ground	Ignition switch ON	11 to 14 V

Result:

Proceed to
OK
NG

*a	Front view of wire harness connector (to Map Light Assembly)

Post-procedure1

(d) Turn the ignition switch off.

(e) Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.

REPAIR OR REPLACE HARNESS OR CONNECTOR

10.	CHECK PASSENGER AIRBAG ON/OFF INDICATOR

Pre-procedure1

(a) Connect the map light assembly connector.

*1	Map Light Assembly
*2	Airbag Sensor Assembly
*3	Wire Harness
*a	Front view of wire harness connector (to Airbag Sensor Assembly)

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

NOTICE:

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

(d) Turn the ignition switch to ON.

Procedure1

(e) Check the passenger airbag ON/OFF indicator operation.

OK:

The passenger airbag ON/OFF indicator "ON" come on.

Post-procedure1

(f) Turn the ignition switch off.

(g) Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.

(h) Disconnect the service wire from connector B.

REPLACE AIRBAG SENSOR ASSEMBLY

REPLACE MAP LIGHT ASSEMBLY