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
SEE MORE:
Terminals Of Ecu
TERMINALS OF ECU *1 Battery ECU assembly - - Terminal No. (Symbols) Wiring Color Input/Output Terminal Description Condition Specified Condition y16-1 (AM) - y16-27 (GND) BR - W-G IN Constant power source Always 11 to 14 V y16-27 (GND) - Body ground W-G
Utility
UTILITY FREEZE FRAME DATA NOTICE:
Freeze frame data is stored and updated each time the brakes are operated. Only the latest 30 sets of data are stored.
Using the Techstream, make sure to save the data before performing a reproduction test as the data will be updated. HINT: The freeze frame dat
