Restraint Systems
DIAGNOSIS:- Front sub sensor harness (RH) circuit is shorted.
- Front sub sensor harness (RH) circuit is open.
- Front sub sensor (RH) 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.
5K1: FRONT SUB SENSOR (RH) AND FRONT SUB SENSOR HARNESS (RH) INSPECTION
1. Disconnect connector (AB6) from airbag control module, and connect it to test harness I or I2 connector (1I).
Connector & Terminal (3I) No.2 - No.4:
2. Measure resistance between test harness I or I2 connector (3I) terminal.
CHECK: Is the resistance between 750 Ohms and 1 kOhms?
YES: Replace airbag control module.
NO: Go to step 5K2.
5K2: FRONT SUB SENSOR (RH) AND FRONT SUB SENSOR HARNESS (RH) INSPECTION
Connector & Terminal (3I) No.2 (+) - Chassis Ground (-):
Measure resistance across test harness I or I2 connector (3I) terminal and chassis ground.
CHECK: Is the resistance more than 10 kOhms?
YES: Replace airbag control module.
NO: Go to step 5K3.
5K3: FRONT SUB SENSOR (RH) AND FRONT SUB SENSOR HARNESS (RH) INSPECTION
Connector & Terminal (3I) No.4 (+) - Chassis Ground (-):
Measure resistance across test harness I or I2 connector (3I) terminal and chassis ground.
CHECK: Is the resistance more than 10 kOhms?
YES: Replace airbag control module.
NO: Go to step 5K4.
5K4: FRONT SUB SENSOR (RH) INSPECTION
1. Connect test harness H connector (2H) and front sub sensor (RH).
Connector & Terminal (3H) No.3 - No.4:
2. Measure resistance between test harness H connector (3H) terminal.
CHECK: Is the resistance between 750 Ohms and 1 kOhms?
YES: Go to step 5K5.
NO: Replace front sub sensor (RH).
5K5: FRONT SUB SENSOR (RH) INSPECTION
Connector & Terminal (3H) No.3 (+) - Chassis Ground (-):
Measure resistance across test harness H connector (3H) terminal and chassis ground.
CHECK: Is the resistance less than 10 kOhms?
YES: Go to step 5K6.
NO: Replace front sub sensor (RH).
5K6: FRONT SUB SENSOR (RH) INSPECTION
Connector & Terminal (3H) No.4 (+) - Chassis Ground (-):
Measure resistance across test harness H connector (3H) terminal and chassis ground.
CHECK: Is the resistance less than 10 kOhms?
YES: Go to step 5K7.
NO: Replace front sub sensor (RH).
5K7: FRONT SUB SENSOR HARNESS (RH) INSPECTION
1. Connect test harness I or I2 connector (1I) and connector (AB6).
2. Disconnect connector (AB16) from front sub sensor (RH) and then test harness H connector (1H) and connector (AB16).
Connector & Terminal (3I) No.2 - (3H) No.5:
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 5K8.
NO: Replace front sub sensor harness (RH) and airbag main harness.
5K8: FRONT SUB SENSOR HARNESS (RH) INSPECTION
Connector & Terminal (3I) No.4 - (3H) No.6:
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 5K9.
NO: Replace front sub sensor harness (RH) and airbag main harness.
5K9: FRONT SUB SENSOR HARNESS (RH) INSPECTION
Connector & Terminal (3I) No.2 (+) - Chassis Ground (-):
Measure resistance across test harness I or I2 connector (3I) terminal and chassis ground.
CHECK: Is the resistance more than 10 kOhms?
YES: Go to step 5K10.
NO: Replace front sub sensor harness (RH) and airbag main harness.
5K10: FRONT SUB SENSOR HARNESS (RH) INSPECTION
Connector & Terminal (3I) No.4 (+) - Chassis Ground (-):
Measure resistance across test harness I or I2 connector (3I) terminal and chassis ground.
CHECK: Is the resistance more than 10 kOhms?
YES: Go to step 5K11.
NO: Replace front sub sensor harness (RH) and airbag main harness.
5K11: CHECK POOR CONTACT IN CONNECTORS (AB14) AND (AB15).
Check connectors (AB14) and (AB15).
CHECK: Is there poor contact in connectors (AB14) and (AB15)?
YES: Repair poor contact in connectors (AB14) and (AB15).
NO: Replace front sub sensor harness (RH) and airbag main harness.