Lexus ES: Inspection
INSPECTION
PROCEDURE
1. INSPECT STEERING WHEEL SWITCH HOUSING
| *a | Component without harness connected (Steering Wheel Switch Housing) | - | - |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Light Switch Circuit| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A-2 (L_OFF) - z10-2 (L_OFF) | Always | Below 1 Ω |
| A-14 (T) - z10-3 (T) | Always | Below 1 Ω |
| A-5 (H) - z10-4 (H) | Always | Below 1 Ω |
| A-10 (A) - z10-5 (A) | Always | Below 1 Ω |
| A-1 (HU) - z10-6 (HU) | Always | Below 1 Ω |
| A-6 (HF) - z10-7 (HF) | Always | Below 1 Ω |
| A-9 (TR) - z10-8 (TR) | Always | Below 1 Ω |
| A-3 (TL) - z10-9 (TL) | Always | Below 1 Ω |
| A-11 (CR) - z10-10 (CR) | Always | Below 1 Ω |
| A-12 (EL) - z10-13 (EL) | Always | Below 1 Ω |
| A-16 (AHB) - z10-14 (AHB) | Always | Below 1 Ω |
| A-15 (BLED) - z10-15 (BLED) | Always | Below 1 Ω |
| A-7 (ELED) - z10-16 (ELED) | Always | Below 1 Ω |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| z11-10 (W_OFF) - z10-24 (W_OFF) | Always | Below 1 Ω |
| z11-13 (+S) - z10-25 (+S) | Always | Below 1 Ω |
| z11-11 (+1) - z10-26 (+1) | Always | Below 1 Ω |
| z11-12 (+2) - z10-27 (+2) | Always | Below 1 Ω |
| z11-14 (MIST) - z10-28 (MIST) | Always | Below 1 Ω |
| z11-15 (WF) - z10-31 (WF) | Always | Below 1 Ω |
| z11-5 (E) - z10-33 (E) | Always | Below 1 Ω |
| z11-4 (VR) - z10-34 (VR) | Always | Below 1 Ω |
If the result is not as specified, replace the steering wheel switch housing.
READ NEXT:
Installation
INSTALLATION PROCEDURE 1. INSTALL STEERING WHEEL SWITCH HOUSING (a) When reusing the steering wheel switch housing: (1) Using pliers, expand the clamp and temporarily install the steering wheel swi
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Operation Check
OPERATION CHECK REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) SELF CHECK NOTICE:
Before entering self-diagnostic mode, make sure there are no obstructions which may interfere with operation of the remote touch screen, and that the remote touch screen is not dirty.
Do not touch the remote
Lost Communication with Front Shade Module (B2346)
DESCRIPTION This DTC is stored when LIN communication between the sliding roof ECU (sliding roof drive gear assembly) and roof sunshade ECU (sliding roof drive gear assembly) stops for 10 seconds or more. DTC No. Detection Item DTC Detection Condition Trouble Area B2346 Lost Communica
