Section 388 (Sliding Roof System (Inspection)): Inspection
WARNING: This page is about a different car, the 2003 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT SLIDING ROOF SWITCH CONTINUITY SPECIFIED CONDITION
Switch position Tester connection Specified condition SLIDE OPEN 3-5 Continuity SLIDE OFF - No continuity SLIDE CLOSE 3-4 Continuity TILT DOWN 2-3 Continuity TILT OFF - No continuity TILT UP 1-3 Continuity If continuity is not as specified, replace the switch.
- INSPECT SLIDING ROOF CONTROL ASSEMBLY CIRCUIT
Disconnect the connector from ECU and inspect the connector on the wire harness side, as shown in the chart.
SPECIFIED CONDITIONTester connection Condition Specified condition 3-Ground Sliding roof control switch (TILT) OFF or CLOSE No continuity 3 - Ground Sliding roof control switch (TILT) UP Continuity 5 - Ground Always Battery positive voltage 7 - Ground Always Continuity 4 - Ground Sliding roof control switch (TILT) OFF or UP No continuity 4 - Ground Sliding roof control switch (TILT) DOWN Continuity 8 - Ground Ignition switch LOCK or ACC No voltage 8 - Ground Ignition switch ON Battery positive voltage 9 - Ground Sliding roof control switch (SLIDE) OFF or CLOSE No continuity 9 - Ground Sliding roof control switch (SLIDE) OPEN Continuity 10-Ground Sliding roof control switch (SLIDE) OFF or OPEN No continuity 10 - Ground Sliding roof control switch (SLIDE) CLOSE Continuity 1 - Ground Constant Continuity 6 - Ground Constant No continuity 2-Ground Ignition switch LOCK or ACC (1)No voltage 2 - Ground Ignition switch ON Battery positive voltage (1) Exceptions: During 45 second after ignition switch ON --> OFF (ACC) or until driver of passenger door in opened after ignition switch ON --> OFF (ACC). If circuit is as specified, replace the relay.