B1102

DTC B1102 BATTERY VOLTAGE TOO LOW

CIRCUIT DESCRIPTION
The diagnosis system malfunction display for this circuit is different to other circuits-when the SRS warning lamp remains lit up and the DTC is a B11O1 or B1102, battery voltage too high or low is indicated. The B1101 or B1102 code is not stored and the voltage returns to normal, the SRS warning light automatically goes off.

INSPECTION PROCEDURE
1. Preparation
1. Disconnect negative (-) terminal cable from the battery, and wait at least 30 seconds.
2. Remove the DAB module.
3. Disconnect the connectors of the PAB, left and right side airbag,belt pretensioner and satellite sensor.




4. Disconnect the connector of the SRSCM.

CAUTION: Place the DAB with the front surface facing upward.

2. Check the source voltage.
1. Connect the negative (-) terminal cable to the battery.
2. Turn the ignition switch ON.

[CHECK]
Measure the voltage between pin 26 of the SRS connector and body ground.

LIMIT: 10 - 16V

[NG]-> Check the harness between the battery and the SRSCM. Check the battery and charging system

[OK]->

3. Does the SRS warning light turn off?

[PREPARATION]
1. Turn the ignition switch to LOCK.
2. Connect the DAB module.
3. Connect the PAB connector, left and right side airbag, belt pretensioner and satellite connectors.
4. Connect the SRSCM connector.




5. Turn the ignition switch ON.

[CHECK]
Check that the SRS warning light goes off.

[NG]-> Check for DTCs. If a DTC is output, perform troubleshooting for the DTC. If B1101 or B1102 is output, replace the SRSCM.

[OK]-> From the results of the above inspection, the malfunctioning part can now be considered normal.