Interpreting states
| ET017 | BRAKE PEDAL |
INSTRUCTIONS
Special notes: Carry out the checks only if the "pressed" and "released" states are inconsistent with the pedal position.
"Released" STATE – Brake pedal pressed
If the brake lights work: Check and make sure the continuity of the connection between pin 1 of the brake switch connector and pin 30 of the ECU connector.If the brake lights do not work: Check/make sure the brake light relay is present.
Check the condition and installation of the brake switch as well as the brake light fuse.
Remove and test the operation of the brake switch:
Replace the brake switch if necessary.
Check and make sure the +After ignition supply is present on pins 2 and 4 of the brake switch connector.
If the brake lights still do not work, check/make sure the continuity between pin 1 of the switch connector and pin 4 of the relay holder.
"Pressed" STATE – Brake pedal released
Check the condition and fitting of the brake switch and the brake light fuse. Remove the brake switch and test its operation.
Replace the brake switch if necessary.
Check and make sure the 12 V insulation of the connection between pin 1 of the brake switch connector and pin 30 of the ECU connector.
AFTER REPAIR
Carry out a road test followed by a check with the diagnostic tool.
| ET023 | ESP ON/OFF BUTTON |
INSTRUCTIONS
Special notes: Carry out the checks only if the "pressed" and "released" states are inconsistent with the button position.
"Pressed" STATE
Make sure the ESP on/off switch is correctly connected and its connector is in good condition.Repair if necessary.
Check that there is no continuity across the switch between pins A2 and B1 in the released position. If there is continuity, replace the switch.
Make sure the connection between the following is insulated from earth:Switch connector pin B1 → ECU connector pin 31
"Released" STATE
Make sure the ESP on/off switch is correctly connected and its connector is in good condition.Repair if necessary.
Check the continuity across the switch between pins A2 and B1 in the pressed position. If there is no continuity, replace the switch.
Make sure earth is present on pin A2 of the switch connector.
AFTER REPAIR
Carry out a road test followed by a check with the diagnostic tool.
Test yourself
A quick Renault Megane quiz: every answer comes with an explanation and a link to the manual page.