Fault Symptom

B2446 Right Belt Tensioner. Open Circuit
B2247 Right Belt Tensioner. Short to Ground
B2248 Right Belt Tensioner. Short to B+
B2449 Right Belt Tensioner. Resistance too Low





Fault symptom
Airbag warning lamp on.

Conditions
The following conditions are applicable to the respective diagnostic trouble codes:

B2446
- The resistance in the circuit measured by the control module is higher than 3.9 ohms for 10 s.
- The resistance in the circuit measured by the control module is higher than 225 ohms for 160 ms.
Fault diagnosis does not take place is diagnostic trouble code B2247 or B2248 exists

B2247
- The voltage applied to control module pin 15 is lower than 1.5 V for 1.25 s

B2248
- The voltage applied to control module pin 45 is higher than 3.5 V for 1.25 s

B2449
- The resistance in the circuit measured by the control module is lower than 1.4 ohms for 20 s.
Fault diagnosis does not take place is diagnostic trouble code B2247 or B2248 exists