32 Front Sub Sensor Harness (LH) Circuit Is Shorted

DIAGNOSIS:
- Front sub sensor harness (LH) circuit is shorted.
- Front sub sensor harness (LH) circuit is open.
- Front sub sensor (LH) is faulty.
- Airbag control module is faulty.

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

5L1: FRONT SUB SENSOR (LH) AND FRONT SUB SENSOR HARNESS (LH) INSPECTION
1. Disconnect connector (AB6) from airbag control module and connect it to test harness I connector (1I).




2. Measure resistance between test harness I connector (3I) terminal.

CHECK: Is the resistance between 750 Ohms and 1 k Ohms?

YES: Replace airbag control module.

NO: Go to step 5L2.

5L2: FRONT SUB SENSOR (LH) AND FRONT SUB SENSOR HARNESS (LH) INSPECTION




Measure resistance across test harness I connector (3I) terminal and chassis ground.

CHECK: Is the resistance more than 10 k Ohms?

YES: Replace airbag control module.

NO: Go to step 5L3.

5L3: FRONT SUB SENSOR (LH) AND FRONT SUB SENSOR HARNESS (LH) INSPECTION




Measure resistance across test harness I connector (3I) terminal and chassis ground.

CHECK: Is the resistance more than 10 k Ohms?

YES: Replace airbag control module.

NO: Go to step 5L4.

5L4: AIRBAG MAIN HARNESS INSPECTION
1. Disconnect connector (AB11) and (AB12), then connect test harness F connector (2F) and connector (AB11).




2. Measure resistance between test harness I connector (3I) terminal and test harness F connector (3F) terminal.

CHECK: Is the resistance less than 10 Ohms?

YES: Go to step 5L5.

NO: Replace airbag main harness.

5L5: AIRBAG MAIN HARNESS INSPECTION




Measure resistance between test harness I connector (3I) terminal and test harness F connector (3F) terminal.

CHECK: Is the resistance less than 10 Ohms?

YES: Go to step 5L6.

NO: Replace airbag main harness.

5L6: AIRBAG MAIN HARNESS INSPECTION




Measure resistance across test harness I connector (3I) terminal and chassis ground.

CHECK: Is the resistance more than 10 k Ohms?

YES: Go to step 5L7.

NO: Replace airbag main harness.

5L7: AIRBAG MAIN HARNESS INSPECTION




Measure resistance across test harness I connector (3I) terminal and chassis ground.

CHECK: Is the resistance more than 10 k Ohms?

YES: Go to step 5L8.

NO: Replace airbag main harness.

5L8: FRONT SUB SENSOR HARNESS (LH) INSPECTION
1. Connect test harness F connector (1F) and connector (AB12).
2. Disconnect connector (AB13) from front sub sensor (LH) and then test harness H connector (1H) and connector (AB13).




3. Measure resistance between test harness F connector (3F) terminal and test harness H connector (3H) terminal.

CHECK: Is the resistance less than 10 Ohms?

YES: Go to step 5L9.

NO: Replace front sub sensor harness (LH).

5L9: FRONT SUB SENSOR HARNESS LH INSPECTION




Measure resistance between test harness F connector (3F) terminal and test harness H connector (3H) terminal.

CHECK: Is the resistance less than 10 Ohms?

YES: Go to step 5L10.

NO: Replace front sub sensor harness (LH).

5L10: FRONT SUB SENSOR HARNESS (LH) INSPECTION




Measure resistance across test harness F connector (3F) terminal and chassis ground.

CHECK: Is the resistance more than 10 k Ohms?

YES: Go to step 5L11.

NO: Replace front sub sensor harness (LH).

5L11: FRONT SUB SENSOR HARNESS (LH) INSPECTION




Measure resistance across test harness F connector (3F) terminal and chassis ground.

CHECK: Is the resistance more than 10 k Ohms?

YES: Go to step 5L12.

NO: Replace front sub sensor harness (LH).

5L12: FRONT SUB SENSOR (LH) INSPECTION
1. Connect test harness H connector (2H) and front sub sensor (LH).




2. Measure resistance between test harness H connector (3H) terminal.

CHECK: Is the resistance between 750 Ohms and 1 k Ohms?

YES: Go to step 5L13.

NO: Replace front sub sensor (LH).

5L13: FRONT SUB SENSOR (LH) INSPECTION




Measure resistance across test harness H connector (3H) terminal and chassis ground.

CHECK: Is the resistance less than 10 k Ohms?

YES: Go to step 5L14.
NO: Replace front sub sensor (LH).

5L14: FRONT SUB SENSOR (LH) INSPECTION




Measure resistance across test harness H connector (3H) terminal and chassis ground.

CHECK: Is the resistance less than 10 k Ohms?

YES: Perform clear memory.

NO: Replace front sub sensor (LH).