Catalytic Converter Heating Control Module 1 Connector End View (J1021, T2qc, T4gk, T2qb)
| 1 | Catalytic converter heating control module 1 -J1021- |
| A | Double Connector -T2qc-, black |
| B | 4-Pin Connector -T4gk-, black |
| C | Double Connector -T2qb-, white |
| -T4gk- (B) | Designation |
|---|---|
| 1 | CAN-Bus powertrain, High E123 Powertrain CAN-Bus High Connection 1 (in engine wiring harness) |
| 2 | Terminal 31, to 618 Ground connection on engine, left |
| 3 | CAN-Bus powertrain, Low E124 Powertrain CAN-Bus Low Connection 1 (in engine wiring harness) |
| 4 | Terminal 87, from D181 Connection 2 (87a) (in engine compartment wiring harness) |
| -T2qc- (A) | Designation | -T2qb- (C) | Designation |
|---|---|---|---|
| 1 | Catalytic converter heater 1 -Z119- | 1 | Terminal 30 Wire Junction -TV2- Catalytic converter heating fuse 2 -S354- |
| 2 | Catalytic converter heater 2 -Z120- | 2 | Terminal 30 Wire Junction -TV2- Catalytic converter heating fuse -S351- |