Bank 1 Sensor 2
BANK 1 SENSOR 2
1. Disconnect both negative battery cables.
2. Disconnect the NOx sensor module harness connector (3).
3. Remove nuts (1) and the NOx module (2).
4. Disconnect the wire harness retainers.
5. Remove the NOx sensor (1) from the Selective Catalytic Reduction (SCR) catalyst (2).