Warning Light Indicates DTC, Then Normal Code (Test #2)

AB-Warning Light Indicates Trouble Code, Then Normal Code (Flashing Trouble Code).

DIAGNOSIS:
- Airbag connector is faulty.
- Fuse No.16 is blown. (In joint box)
- 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.

5AB1: AIRBAG CONNECTOR APPEARANCE INSPECTION
Conduct appearance inspection on airbag connectors (AB2) through (AB28).

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

CHECK: Is there anything unusual about the appearance of connectors (AB2) through (AB28)?

YES: Replace faulty airbag component parts.

NO: Go to step 5AB2.

5AB2: AIRBAG CONNECTOR VIBRATION INSPECTION
Conduct vibration inspection on airbag connectors (AB2) through (AB28).

NOTE: Gently shake each airbag connector.

CHECK: Do the connectors (AB2) through (AB28) malfunction again when shaking?

YES: Replace faulty airbag component pans.

NO: Go to step 5AB3.

5AB3: SHOWERING INSPECTION TO BODY
Spray water on vehicle body.

CAUTION: Do not directly spray water on airbag components.






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

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

YES: Replace faulty airbag component parts.

NO: Go to step 5AB4.

5AB4: FUSE NO.16 (IN JOINT BOX), AIRBAG CONTROL MODULE, BODY HARNESS APPEARANCE INSPECTION
Conduct appearance inspection on fuse No. 16, airbag main harness , airbag control module and body harness.

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

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 5AB5.

5AB5: FUSE NO.16 (IN JOINT BOX), 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.

NOTE: Gently shake each part.

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 5AB6.

5AB6: SHOWERING INSPECTION TO BODY
Spray water on vehicle body.

CAUTION: Do not directly spray water on each part.






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

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

YES: Replace faulty airbag component parts.

NO: Go to step 5AB7.

5AB7: WARNING LIGHT ILLUMINATION CHECK
Turn ignition switch "ON" (engine off) and observe airbag warning light.

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

YES: Perform clear memory.

NO: Go to "DIAGNOSTICS PROCEDURE".