Lexus IS250 IS220d GSE20 ALE20 - SLIDING ROOF


SLIDING ROOF SYSTEM - TERMINALS OF ECU

CHECK SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)

Sliding Roof System - Terminals Of Ecu. SLIDING ROOF. Lexus IS250 IS220d GSE20 ALE20

Disconnect the R6 ECU connector.

Measure the resistance and voltage of the wire harness side connector.

Symbols (Terminal No.)Wiring ColorTerminal DescriptionConditionSpecified Condition
B (R6-5) - E (R6-7)L - W-B+B Power supplyAlways10 to 14 V
IG (R6-6) - E (R6-7)V - W-BEngine switch power supplyEngine switch offBelow 1 V
IG (R6-6) - E (R6-7)V - W-BEngine switch power supplyEngine switch on (IG)10 to 14 V
E (R6-7) - Body groundW-B - Body groundGroundAlwaysBelow 1 Ω

Reconnect the R6 ECU connector.

Sliding Roof System - Terminals Of Ecu. SLIDING ROOF. Lexus IS250 IS220d GSE20 ALE20

Measure the voltage of the connector.

Switch PositionSliding Roof Position
1Over stroke position
2Slide fully open position (Comfort stop position)
3Slide stop position [1]
4Slide stop position [2]
5Slide stop position [3]
6Slide stop position [4]
7Slide stop position [5]
8Slide stop position [6]
9Slide fully close position
10Tilt fully open position
11Auto fully closed, comfort stop position
Symbols (Terminal No.)Wiring ColorTerminal DescriptionConditionSpecified Condition
CHK (R6-2) - E (R6-7)LG - W-BSliding roof motor auto operationEngine switch on (IG), sliding roof switch pushed.10 to 14 V
OPN (R6-9) - E (R6-7)B - W-BSliding roof motor openEngine switch off, sliding roof switch position [1], [2], [3]Below 1 V
OPN (R6-9) - E (R6-7)B - W-BSliding roof motor openEngine switch on (IG), sliding roof switch position [1], [2], [3]10 to 14 V
CLS (R6-8) - E (R6-7)SB - W-BSliding roof motor closeEngine switch off, sliding roof switch position [5], [6], [9], [10]Below 1 V
CLS (R6-8) - E (R6-7)SB - W-BSliding roof motor closeEngine switch on (IG), sliding roof switch position [5], [6], [9], [10]10 to 14 V
UP (R6-3) - E (R6-7)O - W-BSliding roof motor upEngine switch off, sliding roof switch position [2], [3], [4], [5], [6], [7]Below 1 V
UP (R6-3) - E (R6-7)O - W-BSliding roof motor upEngine switch on (IG), sliding roof switch position [2], [3], [4], [5], [6], [7]10 to 14 V
DWN (R6-4) - E (R6-7)Y - W-BSliding roof motor downEngine switch off, sliding roof switch position [1], [2], [6], [7], [8], [9]Below 1 V
DWN (R6-4) - E (R6-7)Y - W-BSliding roof motor downEngine switch on (IG), sliding roof switch position [1], [2], [6], [7], [8], [9]10 to 14 V

If the result is not as specified, the ECU may have a malfunction.

LEXUS IS250, IS220d / GSE20 ALE20
SLIDING ROOF
Lexus IS250 IS220d GSE20 ALE20
SLIDING ROOF SYSTEM