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 at least 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 or I2 connector (1I).
2. Measure resistance between test harness I or I2 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 or I2 connector (3I) terminal and chassis ground.
CHECK: Is the resistance more than 10 kg?
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 or I2 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 AND FRONT SUB SENSOR HARNESS (LH) INSPECTION
1. Connect test harness I or I2 connector (1I) and connector (AB6).
2. Disconnect connector (AB13) from front sub sensor (LH) and then connect test harness H connector (1H) and connector (AB13).
3. Measure resistance between test harness I or I2 connector (3I) terminal and test harness H connector (3H) terminal.
CHECK: Is the resistance less than 10 ohms?
YES: Go to step 5L5.
NO: Go to step 5L8.
5L5: AIRBAG MAIN HARNESS AND FRONT SUB SENSOR HARNESS (LH) INSPECTION
Measure resistance between test harness I or I2 connector (3I) terminal and test harness H connector (3H) terminal.
CHECK: Is the resistance less than 10 ohms?
YES: Go to step 5L6.
NO: Go to step 5L8.
5L6: AIRBAG MAIN HARNESS AND FRONT SUB SENSOR HARNESS (LH) INSPECTION
Measure resistance across test harness I or I2 connector (3I) terminal and chassis ground.
CHECK: Is the resistance more than 10 K ohms?
YES: Go to step 5L7.
NO: Go to step 5L8.
5L7: AIRBAG MAIN HARNESS AND FRONT SUB SENSOR HARNESS (LH) INSPECTION
Measure resistance across test harness I or I2 connector (3I) terminal and chassis ground.
CHECK: Is the resistance more than 10 K ohms?
YES: Go to step 5L16.
NO: Go to step 5L8.
5L8: 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 or I2 connector (3I) terminal and test harness F connector (3F) terminal.
CHECK: Is the resistance less than 10 ohms?
YES: Go to step 5L9.
NO: Replace airbag main harness.
5L9: AIRBAG MAIN HARNESS INSPECTION
Measure resistance between test harness I or I2 connector (3I) terminal and test harness F connector (3F) terminal.
CHECK: Is the resistance less than 10 ohms?
YES: Go to step 5L10.
NO: Replace airbag main harness.
5L10: AIRBAG MAIN HARNESS INSPECTION
Measure resistance across test harness I or I2 connector (3I) terminal and chassis ground.
CHECK: Is the resistance more than 10 K ohms?
YES: Go to step 5L11.
NO: Replace airbag main harness.
5L11: AIRBAG MAIN HARNESS INSPECTION
Measure resistance across test harness I or I2 connector (3I) terminal and chassis ground.
CHECK: Is the resistance more than 10 K ohms?
YES: Go to step 5L12.
NO: Replace airbag main harness.
5L12: 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 5L13.
NO: Replace front sub sensor harness (LH).
5L13: 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 5L14.
NO: Replace front sub sensor harness (LH).
5L14: 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 ohms?
YES: Go to step 5L15.
NO: Replace front sub sensor harness (LH).
5L15: 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 5L16.
NO: Replace front sub sensor harness (LH).
5L16: 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 5L17.
NO: Replace front sub sensor (LH).
5L17: FRONT SUB SENSOR (LH) INSPECTION
Measure resistance across test harness H connector (3H) terminal and chassis ground.
CHECK: Is the resistance more than 10 K ohms?
YES: Go to step 5L18.
NO: Replace front sub sensor (LH).
5L18: FRONT SUB SENSOR (LH) INSPECTION
Measure resistance across test harness H connector (3H) terminal and chassis ground.
CHECK: Is the resistance more than 10 K ohms?
YES: Perform clear memory.
NO: Replace front sub sensor (LH).