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- Power for the SRS warning lamp is supplied from the ignition switch (IG1)
circuit.
- The SRS warning lamp illuminates when the ignition switch is turned to the "ON"
position and goes out after approximately 7 seconds if there is not a malfunction in the SRS
system.
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This diagnosis code will be set if the SRS warning lamp driving circuit is short to earth.
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- Damaged wiring harnesses of connectors
- Malfunction of the SRS-ECU
- Malfunction of the combination meter
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(1)Disconnect the negative battery terminal.
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(2)Disconnected the SRS-ECU connector C-131.
(3)Connect the negative battery terminal.
(4)Turn the ignition switch to the "ON" position.
Q.
Does the warning lamp illuminate?
 Go to Step 3.
 Go to Step 2.
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| note |
Prior to the wiring harness inspection, check junction connector C-132, C-207, C-208 and
repair if necessary.
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Q.
Is the check result normal?
Replace the combination meter (Refer to GROUP 54A, Combination Meters Assembly  ).
Repair the harness wires between SRS-ECU connector C-131 (terminal No.8) and ignition
switch connector C-307 (terminal No.2).
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Q.
Is diagnosis code B1551 set?
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Replace the SRS-ECU (Refer to ).
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An intermittent malfunction is suspected (Refer to GROUP 00, How to Cope with
Intermittent Malfunction ).
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