Communication Missing. Permanent Fault

Communication missing. Permanent fault

Checking the component and wiring




- Ignition off.

Caution! Do not touch the terminal pins in the SRS control module. There is a risk of static discharge which could damage the SRS control module.

Note! Check that the side impact sensor is connected.

Check the cable between the SRS control module and the connector / terminal for the side impact sensor according to the following:

for diagnostic trouble code (DTC) SRS-00B1,
front left side impact sensor #8A(8), #9A(9) and connector #1, #2.

for diagnostic trouble code (DTC) SRS-00B6,
front right side impact sensor #8C(4), #9C(5) and connector #1, #2.

for diagnostic trouble code (DTC) SRS-00BB,
rear left side impact sensor #27A(27), #28A(28) and connector #1, #2.

for diagnostic trouble code (DTC) SRS-00C0,
rear right side impact sensor #27C(23), #28C(24) and connector #1, #2.
for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Remedy as necessary.

Other information:
- To access / replace the SRS control module and connector, see Supplemental restraint system module (SRS), replacing Service and Repair.
- To access/replace the side impact sensor, see Collision sensor, replacing Service and Repair.
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box, Supplemental Restraint System Module (SRS).
- For other values, see Signal specification Signal Description, Supplemental Restraint System (SRS) Control Unit.









Was a fault detected?

Yes - Verification

No - Replacing the side impact sensor

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Replacing the side impact sensor
Try a new side impact sensor according to Collision sensor, replacing Service and Repair.

Select "Continue" when the fault has been remedied.

Continue - Verification

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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 - Exit Fault-Tracing

No - Attempt New Test

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Attempt New Test - Checking the component and wiring

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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 - Verification completed

No - Fault-tracing information

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