|
|
GWFLORID Maintenance Manual 226 Vehicle Collision Diagnostics Whether the airbag is deployed or not, vehicle collision diagnostic and maintenance must be conducted according to the following procedures. 1. Check the SRS-ECU diagnostic signal (a) Connect the diagnostic connector (X-431 diagnostic scanner). (b) Read the diagnostic result with the X-431 diagnostic. Caution: Due to impact, and when the battery's power supply is insufficient, the scanner will be unable to communicate with the SRS-ECU. At this time, use an external power supply, or make sure to perform inspection and maintenance on the dashboard's wire harness. 2. Maintenance sequence When the airbag is deployed, the following components should be replaced. (a) Driver side airbag module. (c) SRS-ECU. (d) Driver side and front passenger side preload seat belts. Inspect the following components, if anything is abnormal, replace with a new one. (a) Clock spring. Installation status of the driver side airbag module regarding the steering wheel. (a) Inspect whether the steering wheel's noise is abnormal, for improper movement, or abnormal clearance. (b) Inspect whether the wire harness connectors are broken and whether the terminals are deformed. 3. SRS-ECU (a) Inspect whether the SRS-ECU housing and bracket are sunken or depressed, cracked, deformed, etc. (b) Inspect for broken connectors as well as deformed terminals. (c) Inspect the SRS-ECU bracket's installation status. • Inspect whether the cover is sunken or depressed, cracked, deformed, etc. • Inspect for broken connectors as well as deformed terminals and biting wire harnesses. • Check whether the gas generator's housing is sunken or depressed, cracked, deformed, etc. • Inspect whether the arrow's direction is pointed towards the front of the vehicle. (d) Inspect the airbag module's installation status. 4. Inspect the driver side airbag module 5. Clock spring (a) Inspect for broken connectors and protective tube and deformed terminals. (b) Inspect for deformed housing. 6. Steering wheel, steering column, and lower shaft components (a) Inspect the driver side airbag module's installation status. (b) Inspect the steering wheel for abnormal noise, and whether the clearance is normal. 7. Inspect the wire harness connectors (dashboard wire harness). 8. Inspect whether the wire harnesses are firm. Check for damaged connectors, and deformed terminals. Warning label The driver side, clock spring, SRS-ECU, and front passenger side airbag, all have warning labels, with the caution areas shown by an image. While maintenaning and using the SRS airbag, please work in accordance with the label.Furthermore, when a label becomes damaged or dirty, please replace it with a new one. |