Subaru Crosstrek Service Manual: Dtc b16f1 passenger s seat belt warning failure

Diagnosis start condition:

Ignition voltage is 10 V to 16 V.

DTC detecting condition:

• Airbag control module is faulty.

• Meter is faulty.

• Harness circuits between meter and airbag control module are open, shorted or shorted to ground.

Before performing diagnosis, refer to “CAUTION” in “General Description”. General Description > CAUTION">

1.CHECK AIRBAG HARNESS.

1) Turn the ignition switch to OFF, disconnect the battery ground cable, and wait for 60 seconds or more.

2) Disconnect the connectors (AB6, AB17, AB18) from airbag control module.

3) Connect the battery ground terminal and turn the ignition switch to ON.

Does the passenger’s seat belt warning light blink for 6 seconds and go off?

Diagnostic Chart with Trouble Code > DTC B16F1 PASSENGER’S SEAT BELT WARNING FAILURE">Go to Step 3.

Diagnostic Chart with Trouble Code > DTC B16F1 PASSENGER’S SEAT BELT WARNING FAILURE">Go to Step 2.

2.CHECK AIRBAG HARNESS.

1) Turn the ignition switch to OFF.

2) Connect the connector (1AG) in the test harness AG to the connectors (AB6, AB17, AB18).

3) Measure the resistance between connector (2AG) in the test harness AG and chassis ground.

Connector & terminal

(2AG) No. 10 — Chassis ground:

Is the resistance 1 M? or more?

Replace the meter. Combination Meter > REMOVAL">

Repair the bulkhead harness and instrument panel harness. Or replace the airbag main harness along with body harness.

3.CHECK AIRBAG HARNESS.

1) Turn the ignition switch to OFF.

2) Connect the connector (1AG) in the test harness AG to the connectors (AB6, AB17, AB18).

3) Connect the connectors (7AG) and (8AG) in the test harness AG.

4) Turn the ignition switch to ON.

Does the passenger’s seat belt warning light blink for 6 seconds, then repeatedly light and go off?

Replace the airbag control module. Airbag Control Module">

Diagnostic Chart with Trouble Code > DTC B16F1 PASSENGER’S SEAT BELT WARNING FAILURE">Go to Step 4.

4.CHECK AIRBAG HARNESS.

1) Turn the ignition switch to OFF.

2) Disconnect the connectors (7AG) and (8AG) in the test harness AG in the condition of step 3.

3) Disconnect the connector (i10) from meter.

4) Measure the resistance between connector (2AG) in the test harness AG and connector (i10).

Connector & terminal

(2AG) No. 10 — (i10) No. 16:

Is the resistance less than 10 ??

Replace the meter. Combination Meter > REMOVAL">

Repair the bulkhead harness and instrument panel harness. Or replace the airbag main harness along with body harness.

Dtc b161a lost communication with front satellite sensor bus

Dtc b1800 short in driver s airbag

Other materials:

Removal
BRAKE > Front Disc RotorREMOVAL1. Lift up the vehicle, and then remove the front wheels.2. Remove the caliper body assembly from the housing assembly - front axle.(1) Remove the bolt from the brake hose bracket.(2) Remove the mounting bolt, and remove the caliper body assembly.(3) Prepare wiring ...

Removal
CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Primary Speed SensorREMOVALCAUTION:Be sure to prevent water or oil from contacting the connector terminal of primary speed sensor. If adhesion occurs, replace with a new part.1. Remove the transmission assembly. Automatic Transmission Assembly > REM ...

Electrical component location Location
ENGINE (DIAGNOSTICS)(H4DO) > Electrical Component LocationLOCATION1. CONTROL MODULE(1)Engine control module (ECM)(3)Malfunction indicator light(4)Data link connector(2)Delivery (test) mode fuse 2. SENSOR(1)Mass air flow and intake air temperature sensor(5)Crankshaft position sensor(9)Intake ca ...