Mazda MX-5 1990 Workshop Manual page 730

T
AIR BAG SYSTEM
Flowchart No.
-- • Fault indication ..... Warning lamp flashes two times or eight times
7 • Possible cause ...... Poor ground of D-sensor
05UOTX-400
Caution
• Before troubleshooting, read SERVICE PRECAUTION on page T -133.
H
05UOTX-402
05UOTX-403
05UOTX-404
T-148
Step 1
1. Disconnect the negative battery cable.
2. Remove the knee protector, and disconnect the clock spring
connectors (Orange and blue).
3. Disconnect the diagnostic module connector.
4. Check continuity between the following terminals of the di-
agnostic module connector and a body ground.
Terminal-wire Continuity
Action
2J (BRIY)-
Yes
Next, check between 2H (BR/W) and
body ground
Body ground
No Go to Step 2
Yes Next. check between 2E (BR) and
2H (BR/W)-
body ground
Body ground
No Go to Step
3
2E (BR)-
Yes Replace diagnostic module
Body ground
No
Go to Step
4
Step 2
1. Disconnect the D-sensor (RH) connectors, and check con-
tinuity between terminals of the sensor connectors and a
body ground.
[
Terminal
Continuity
b-Body ground Yes
2. If not as specified, go to Step 5.
3. If correct, replace the wire harness assembly.
Step 3
1. Disconnect the D-sensor (eNT) connectors, and check con-
tinuity between terminals of the sensor connector and a body
ground.
Terminal
Continuity
b-Body ground
Yes
2. If not as specified, go to Step 5.
3. If correct, replace the wire harness assembly.