4-door: Remove the centre console switch panel (see page 20-73). Disconnect the 10P connector (A) from the seat heater switch (B), then remove the switch. Check for continuity in each switch position according to the table.

5-door: Remove the parking brake cover (see step 3 on page 20-213). Disconnect the 6P connector (A) from the seat heater switch (B), then remove the switch. Check for continuity in each switch position according to the table.