Operation CHARM: Car repair manuals for everyone.

SRS Indicator Stays ON:

SRS indicator stays on, but no DTCs are stored

NOTE:
^ If you cannot retrieve DTCs with the HDS using the SRS menu method, retrieve flash codes with the HDS in SCS mode.
^ A new SRS unit must sense the entire system is OK before completing its initial self-test. The most common cause of an incomplete self-test is the failure to replace all deployed parts after a collision, in particular seat belt tensioners.
^ A battery/system voltage above 15.2 V can cause the SRS indicator to come on without storing any DTCs.

1. Disconnect the battery negative cable, and wait for 3 minutes.

2. Disconnect SRS unit connector A (28P) from the SRS unit.




3. Remove the gauge assembly. Disconnect gauge assembly connector A (22P) and B (22P) from the gauge assembly.




4. Gauge assembly with four meters: Check resistance between the No. 14 terminal of gauge assembly connector B (22P) and the No.5 terminal of SRS unit connector C (8P). There should be 1 Ohm or less.

Gauge assembly with three meters: Check resistance between the No.9 terminal of gauge assembly connector A (22P) and the No.5 terminal of SRS unit connector C (8P). There should be 1 Ohm or less.

Is the resistance as specified?

YES - Go to steps.

NO - Open in the floor wire harness or in dashboard wire harness A; replace the faulty harness.

5. Reconnect the battery negative cable.

6. Reconnect the gauge assembly connectors.

7. Turn the ignition switch ON (II).




8. Gauge assembly with four meters: Install jumper wire between the No.17 terminal of gauge assembly connector A (22P) and No. 14 terminal of gauge assembly connector B (22P). The SRS indicator should go off.

Gauge assembly with three meters: Install jumper wire between the No.15 and No.9 terminals of gauge assembly connector A (22 P). The SRS indicator should go off.

Does the SRS indicator go off?

YES - Faulty SRS unit or poor contact at SRS unit connector C (8P); check the connection. If the connection is OK, replace the SRS unit.

NO - Faulty SRS indicator circuit in the gauge assembly or poor contact at gauge assembly connector A or B (22P); check the connection. If the connection is OK, replace the gauge assembly.