STEP 1. Using scan tool MB991958, diagnose the CAN bus line.
(1) caution | To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958. |
Connect scan tool MB991958. Refer to "How to connect the Scan Tool (M.U.T.-III)
."
(2) Turn the ignition switch to the "ON" position.
(3) Diagnose the CAN bus line.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Is the CAN bus line found to be normal?
Go to Step 2. Repair the CAN bus line (Refer to GROUP 54C, Diagnosis ).
STEP 2. Using scan tool MB991958, read for SRS diagnostic trouble code.
STEP 3. Check seat belt switch (driver’s side) connector D-33 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
STEP 4. Check the seat belt switch.
STEP 5. Check the ground circuit to the seat belt switch (driver’s side). Test at seat belt switch (driver’s side) connector D-33.
STEP 6. Check the wiring harness between seat belt switch (driver’s side) connector D-33 (terminal 1) and ground.
STEP 7. Check combination meter connector C-203 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
STEP 8. Check the wiring harness between combination meter connector C-203 (terminal 5) and seat belt switch <driver’s side> connector D-33 (terminal 2).
STEP 9. Check hazard indicator assembly connector C-246 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
STEP 10. Check the wiring harness between combination meter connector C-203 (terminal 19) and hazard indicator assembly connector C-246 (terminal 3).
STEP 11. Retest the system.
The seat belt reminder function should work normally.Is the check result normal?
<The seat belt reminder function works normally.> :
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction ). <Tone alarm sounds do not sound.> :
Replace the combination meter. <The indicator (driver’s side) does not illuminate.> :
Replace the combination meter. <The indicator (passenger’s side) does not illuminate.> :
Replace the hazard indicator assembly.