CHECK CLIMATE CONTROLLED SEAT SWITCH INDICATOR FUNCTION
Check that the related indicator lamp illuminates when climate controlled seat switch is set to HEAT or COOL mode.
Is the inspection result normal?
YES>>Inspection End.
NO>>Refer to Diagnosis Procedure.
CHECK CLIMATE CONTROLLED SEAT SWITCH INPUT SIGNAL
Ignition switch ON.
Check voltage between climate controlled seat switch harness connector and ground.
| (+) | (–) | Condition |
Voltage (Approx.) | ||
|---|---|---|---|---|---|
| Climate controlled seat switch | Climate controlled seat switch | ||||
| Connector | Terminal | ||||
| LH | M203 | 8 | Ground | HEAT mode | Battery voltage |
| OFF | 0 V | ||||
| 9 | COOL mode | Battery voltage | |||
| OFF | 0 V | ||||
| RH | M206 | 7 | HEAT mode | Battery voltage | |
| OFF | 0 V | ||||
| 8 | COOL mode | Battery voltage | |||
| OFF | 0 V | ||||
Is the inspection result normal?
YES>>GO TO 3.
NO>>GO TO 2.
CHECK CLIMATE CONTROLLED SEAT SWITCH INDICATOR CIRCUIT
Ignition switch OFF.
Disconnect climate controlled seat switch connector and climate controlled seat control unit connector.
Check continuity between climate controlled seat switch harness connector and climate controlled seat control unit harness connector.
| Climate controlled seat switch | Climate controlled seat control unit | Continuity | |||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
| LH | M203 | 9 | B203 | 9 | Yes |
| 8 | 10 | ||||
| RH | M206 | 8 | B320 | 9 | |
| 7 | 10 | ||||
Check continuity between climate controlled seat switch harness connector and ground.
| Climate controlled seat switch | — | Continuity | ||
|---|---|---|---|---|
| Connector | Terminal | |||
| LH | M203 | 9 | Ground | No |
| 8 | ||||
| RH | M206 | 8 | ||
| 7 | ||||
Is the inspection result normal?
YES>>Replace climate controlled seat control unit. Refer to Climate Controlled Seat Control Unit.
NO>>Repair or replace harness.
CHECK CLIMATE CONTROLLED SEAT SWITCH GROUND CIRCUIT
Ignition switch OFF.
Disconnect climate controlled seat switch connector.
Check continuity between climate controlled seat switch harness connector and ground.
| Climate controlled seat switch | — | Continuity | ||
|---|---|---|---|---|
| Connector | Terminal | |||
| LH | M203 | 7 | Ground | Yes |
| RH | M206 | 6 | ||
Is the inspection result normal?
YES>>Replace climate controlled seat switch. Refer to Climate Controlled Seat Switch.
NO>>Repair or replace harness.
Climate Controlled Seat Switch
Seat Back Heater
The autolight system allows the headlights to turn on and off automatically. The autolight system can:
Turn on the headlights, front parking, tail, license plate and instrument panel lights automatically when it is dark. Turn off all the lights (except daylight running lights) when it is light. Keep all the lights on for a period of time after you place the ignition switch in the OFF position and all doors are closed.