C�04, Brake Light Circuit
| C�04, brake light circuit |
|---|
| Test | Work order description | Nominal value |
| T01 | Check: Function of brake lights | |
| Ignition ON Note brake light switch Actuate brake pedal | Do not light Do light |
| Yes: T02 | No: E01 |
| T02 | Check: Circuit � interruption of the signal circuit | |
| Ignition OFF Disconnect wiring harness plug from: | less than 1 Ω |
| K50 ABS control unit | |
| Measure resistance between following terminals: | |
| K50 ABS control unit Wiring harness plug terminal 14 & Brake light switch S8 Wiring harness plug (black/yellow) | |
| Yes: E04 | No: T03 |
| T03 | Check: Circuit � interruption of the signal circuit | |
| Disconnect wiring harness plug from: | less than 1 Ω |
| Instrument panel X6 & front body 45P | |
| Measure resistance between following terminals: | |
| K50 ABS control unit Wiring harness plug terminal 14 & Instrument panel X6 & front body 45P Wiring harness plug terminal 64 (plug pin) | |
| Yes: E03 | No: E02 |
| C�04, brake light circuit |
|---|
| No. | Result |
| E01 | Reference to other function groups: Defective components: |
| Brake light switch S8 |
| or |
| Fuse F21 terminal 15 |
| E02 | Circuit interruption in the wiring harness: |
| K50 ABS control unit Wiring harness plug terminal 14 & Instrument panel X6 & front body 45P Wiring harness plug terminal 64 |
| E03 | Circuit interruption in the wiring harness: |
| Instrument panel X6 & front body 45P Wiring harness plug terminal 64 & Brake light switch S8 Wiring harness plug terminal (black/yellow) |
| E04 | Defective components: |
| K50 ABS control unit |
