Warning Light Indicates DTC, Then Normal Code (Test #1)

WARNING LIGHT INDICATES TROUBLE CODE, THEN NORMAL CODE - FLASHING NORMAL CODE. -




DIAGNOSIS:
- Airbag connector is faulty.
- Fuse No.16 is blown.
- Airbag main harness is faulty.
- Airbag control module is faulty.
- Body harness is faulty.

CAUTION: Before performing diagnostics on airbag system, turn ignition switch "OFF", disconnect battery ground cable, and then wait at least 20 seconds.

1. AIRBAG CONNECTOR APPEARANCE INSPECTION
Conduct appearance inspection on airbag connectors (AB2) through (AB8).

CHECK: Is there anything unusual about the appearance of connectors (AB2) through (AB8)?

YES: Replace faulty airbag component parts.

NO: Go to step 2.

NOTE: Check terminals, case and wiring harnesses for damage.

2. AIRBAG CONNECTOR VIBRATION INSPECTION
Conduct vibration inspection on airbag connectors (AB2) through (AB8).

CHECK: Do the connectors (AB2) through (AB8) malfunction again when shaking?

YES: Replace faulty airbag component parts.

NO: Go to step 3.

NOTE: Gently shake each airbag connector.




3. SHOWERING INSPECTION TO BODY
Spray water on vehicle body.

CAUTION: Do not directly spray water on airbag components.

CHECK: Does water leak into the passenger compartment when showering vehicle?

YES: Replace faulty airbag component parts.

NO: Go to step 4.

NOTE: If leaks are noted, also check wiring harnesses as water may leak along them and wet airbag connectors.

4. FUSE No.16, AIRBAG MAIN HARNESS, AIRBAG CONTROL MODULE, BODY HARNESS APPEARANCE INSPECTION
Conduct appearance inspection on fuse No.16, airbag main harness, airbag control module and body harness.

CHECK: Is there anything unusual about the appearance of fuse No.16, airbag main harness, airbag control module or body harness?

YES: Replace faulty airbag component parts.

NO: Go to step 5.

NOTE: Also check connectors, terminals, wiring harness and case for damage.

5. FUSE No.16, AIRBAG MAIN HARNESS, BODY HARNESS VIBRATION INSPECTION
Conduct vibration inspection on fuse No.16, airbag main harness and body harness.

CAUTION: Do not shake or vibrate airbag control module.

CHECK: Do fuse No.16, airbag main harness or body harness malfunction again when shaking?

YES: Replace faulty airbag component parts.

NO: Go to step 6.

NOTE: Gently shake each part.




6. SHOWERING INSPECTION TO BODY
Spray water on vehicle body.

CAUTION: Do not directly spray water on each part.

CHECK: Does water leak into the passenger compartment when showering vehicle?

YES: Replace faulty airbag component parts.

NO: Go to step 7.

NOTE: If leaks are noted, check wiring harnesses as water may leak along them and get parts wet.

7. WARNING LIGHT ILLUMINATION CHECK
Turn ignition switch "ON" (engine off) and observe airbag warning light.

CHECK: Does the airbag warning light comes on for about 7 seconds, then go out and stay out?

YES: Clear memory.

NO: Go to "DIAGNOSTICS PROCEDURE".