|
|
TROUBLESHOOTING SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-111 DIAGNOSIS PROCEDURE STEP 1. Check the driver's seat belt (2) Disconnect driver's seat belt pre-tensioner connector D-43. Use a flat-tipped screwdriver to (3) Connect special tool dummy resistor (MB991865) to special tool resistor harness (MB991884). (4) Connect special tool (MB991884) to the D-43 harness side connector. (5) Connect the negative battery terminal. (6) Erase diagnosis code memory, and check the diagnosis code. Q: Is diagnosis code 67 set? YES : Go to Step 2. NO : Replace the driver's seat belt pre-tensioner ). Then go to Step 4. STEP 2. Measure the resistance at the SRS-ECU (1) Disconnect SRS-ECU connector C-114. (2) Disconnect driver's seat belt pre-tensioner connector D-43. Use a flat-tipped screwdriver to AC308785 AI Connector: D-43 D-43 (B) Harness side AC300147AF Flat-tip screw Locking button D-43 Passenger's seat belt pre-tensioner connector D-43 Harness side connector MB991884 AC300975AE MB991865 Ω) MB991884 D-43 Harness side connector AC301661 Connector: C-114 AD SRS-ECU C-114 (Y) Center lower AC308785 AI Connector: D-43 D-43 (B) Harness side AC300147AF Flat-tip screw Locking button D-43 Passenger's seat belt pre-tensioner connector D-43 Harness side connector |