CIRCUIT INSPECTION

DTC

B2503 Warning indicator circuit open or short to GND

B2504 Warning indicator circuit short to battery

CIRCUIT DESCRIPTION
INSPECTION PROCEDURE
1.

Check the fuse.

A.

Remove fuse airbag fuse and airbag warning lamp fuse from the junction block.

B.

Inspect the state of the fuses.

C.

Replace if necessary.

2.

Check the SRS warning lamp circuit.

A.

Connect the negative (-) terminal cable to the battery.

B.

Turn the ignition switch to ON.

A.

Measure voltage at the harness side connector of the SRSCM.

Voltage : 10-16 V

B.

Check the SRS SRI (Service Reminder Indicator).

OK : SRS SRI ON

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