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:

Adjustment
SECURITY AND LOCKS > Front Hood Lock AssemblyADJUSTMENT1. Loosen the bolt, and adjust the lock assembly - front hood while moving it up and down.2. After adjustment, tighten the bolts securely.Tightening torque:Refer to “COMPONENT” of “General Description”. General Descri ...

Dtc c2424 transmitter 4 battery voltage low
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC C2424 TRANSMITTER 4 BATTERY VOLTAGE LOWDTC DETECTING CONDITION:Detected when power supply voltage failure signal is received from each transmitter.TROUBLE SYMPTOM:Tire pressure warning light ...

Basic diagnostic procedure Procedure
EyeSight (DIAGNOSTICS) > Basic Diagnostic ProcedurePROCEDURECAUTION:• Start the diagnosis after the engine has started. (Cruise control main switch does not turn on even if it is pressed before the engine starts.)• When performing diagnosis, observe the legal speed limit on the road.& ...