5.
Measure voltage at the harness side connector of the SRSCM.
Voltage : 7 ~ 16V
▶ Check the SRS SRI.
▶ Check the SRS SRI light bulb or replace the SRS SRI circuit.
The SRS warning lamp is located in the cluster. When the airbag system is normal, the SRS SRI flashes for approx. 6 seconds after the ignition switch is turned " ON ", and then turns off automatically.
If there is a malfunction in the airbag system, the SRS SRI lights up to inform the driver of the abnormality.
The SRSCM shall measure the voltage at the SRS SRI output pin, both when the lamp is on and when the lamp is off, to detedt whether the commanded state matches the actual state
Remove the airbag fuse and airbag warning lamp fuse from junction block.
Inspect the state of the fuses(Replace if necessary).
Connect the negative(-) terminal cable to the battery.
Turn the ignition switch " ON ".
Measure voltage at the harness side connector of the SRSCM.
Voltage : 7 ~ 16V
▶ Check the SRS SRI.
▶ Check the SRS SRI light bulb or replace the SRS SRI circuit.
Check the SRS SRI.
OK : SRS SRI " ON "
▶ From the result of the above inspection, the malfunctioning part can now be considered normal.
▶ Replace the SRSCM.
