Signal Too Low

Signal too low

Checking the component and wiring




- Switch off the ignition. Wait 10 seconds.
- Unplug the 10-pin connector from the occupant weight sensor (OWS).
- Unplug the 3-pin connector from the pressure sensor.

Caution! Avoid touching the terminal pins in the occupant weight sensor (OWS). There is a risk of static discharge which could damage the occupant weight sensor (OWS).

Check the connectors between the pressure sensor and the occupant weight sensor (OWS) for damaged pins and connections.
Remedy as necessary.
Check the leads between pressure sensor and the occupant weight sensor (OWS) for short-circuiting to voltage/ground and open circuit.
Remedy as necessary.

Other information
- For further information about cable routing and terminals, see the wiring diagram
- Signal description occupant weight sensor (OWS): Signal specification Signal Specification, Occupant Weight Sensor (OWS)

Has the fault been remedied?

Yes - Verification

No - Replacing a component

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Verification




Verification

Verification

Hint: After carrying out the repair, check that the fault has been remedied.




- Ignition off
- Disconnect the battery negative lead
- Reinstall the connectors, components etc.
- Ignition on
- Connect the battery negative lead.

Warning! There must not be anyone inside the passenger compartment when the battery is connected.

- Read off diagnostic trouble codes (DTCs).
The fault is no longer present if the diagnostic trouble code (DTC) status is intermittent.





Is the diagnostic trouble code (DTC) intermittent?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - Fault Found

VERIFICATION FAILED - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - FAULT-TRACING FAILED

No - Attempt New Test

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FAULT-TRACING FAILED - No Fault Found

Attempt New Test - Checking the component and wiring

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Replacing a component
- Ignition off, wait for 10 seconds.

Caution! Avoid touching the contact pin of the occupant weight sensor (OWS). Risk of electrostatic discharge that may cause damage in occupant weight sensor (OWS).

Change pressure sensor and occupant weight sensor (OWS). Pressure sensor included in system occupant weight sensor (OWS).

Note! After change of pressure sensor and occupant weight sensor (OWS) then the supplemental restraint system module (SRS) must be configured. This is done by storing ID-number for occupant weight sensor (OWS).The occupant weight sensor (OWS) must also be calibrated.

Other information
- Occupant weight sensor (OWS), replacing Removal and Replacement
- Storing the ID number for the occupant weight sensor (OWS) Logging Detailed Diagnostics Data
- Calibrating the occupant weight sensor (OWS) Programming and Relearning

Select continue when the defect has been remedied.

Continue - Verification

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