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(1)Disconnect the negative battery terminal.
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(2)Disconnect seat belt pre-tensioner (passenger’s side) connector D-23 <LHD> or D-15 <RHD>. Use a flat-tipped screwdriver to pull out the locking button at the harness side connector, and then disconnect the connector.
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(3)Connect special tool dummy resistor (MB991865) to special tool resistor harness (MB991884). (4)Connect special tool (MB991884) to the D-23 <LHD> or D-15 <RHD> harness side connector. (5)Connect the negative battery terminal. (6)Erase diagnosis code memory, and then check the diagnosis code.
Q.
Is diagnosis code B1611 set?
Go to Step 2.
Replace the seat belt with pre-tensioner (passenger’s side) (Refer to ).
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(1)Disconnect the negative battery terminal.
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(2)Disconnect SRS-ECU connector C-130.
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(3)Disconnect seat belt pre-tensioner (passenger’s side) connector D-23 <LHD> or D-15 <RHD>. Use a flat-tipped screwdriver to pull out the locking button at the harness side connector, and then disconnect the connector.
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(4)
caution |
Do not insert a test probe into the terminal from its front side directly as the connector contact pressure may be weakened.
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Resistance measurement between C-130 harness side connector terminals 27, 28 and body earth. OK: Open circuit
Q.
Is the check result normal?
Go to Step 3 .
Repair the harness wires between SRS-ECU connector C-130 (terminal No.27 and 28) and the seat belt pre-tensioner (passenger’s side) connector D-23 <LHD>/D-15 <RHD> (terminal No.2 and 1)
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Q.
Is diagnosis code B1611 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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