Lexus NX: Manual(sos)switch
Inspection
INSPECTION
PROCEDURE
1. REMOVE MAP LIGHT ASSEMBLY
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2. INSPECT MAP LIGHT ASSEMBLY
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
| *a | Component without harness connected (Map Light Assembly) | - | - |
Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| T7-13 (SIG1) - T7-9 (GND3) | Mayday switch not pressed | 410 to 414 Ω |
| T7-13 (SIG1) - T7-9 (GND3) | Mayday switch pressed | 81 to 83 Ω |
(b) Check the operation (indicator).
(1) Check that each indicator illuminates when 2 dry cell batteries are connected to the map light assembly connector terminals as shown in the illustration.
| *a | Component without harness connected (Map Light Assembly) | *b | Two 1.5 V dry cell batteries |
NOTICE:
Do not apply more than 3 V.
OK:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| T7-6 (IND1) - T7-9 (GND3) | Positive (+) dry cell battery - Negative (-) dry cell battery | HELP RED indicator illuminates |
| T7-7 (IND2) - T7-9 (GND3) | Positive (+) dry cell battery - Negative (-) dry cell battery | HELP GREEN indicator illuminates |
(c) Check that the HELP indicator illuminates when the battery is connected to the map light assembly connector terminals as shown in the illustration.
| *a | Component without harness connected (Map Light Assembly) | - | - |
OK:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| T7-5 (RRID) - T7-9 (GND3) | Positive (+) battery terminal - Negative (-) battery terminal | HELP indicator illuminates |
3. INSTALL MAP LIGHT ASSEMBLY
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Components
COMPONENTS ILLUSTRATION *1 DECK FLOOR BOX LH *2 NO. 3 DECK BOARD SUB-ASSEMBLY *3 REAR DECK FLOOR BOX *4 NEGATIVE AUXILIARY BATTERY TERMINAL N*m (kgf*cm, ft.*lbf): Specified
Removal
REMOVAL PROCEDURE 1. REMOVE DECK BOARD ASSEMBLY Click here 2. REMOVE NO. 3 DECK BOARD SUB-ASSEMBLY Click here 3. REMOVE REAR DECK FLOOR BOX Click here 4. REMOVE DECK FLOOR BOX LH Click here 5.
SEE MORE:
Reassembly
REASSEMBLY CAUTION / NOTICE / HINT NOTICE:
When using a vise, place aluminum plates between the part and vise.
When using a vise, do not overtighten it.
PROCEDURE 1. INSTALL POWER STEERING MOTOR ASSEMBLY NOTICE:
Do not drop the power steering ECU with motor assembly, strike it with tools
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the intuitive parking assist system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS
NEXT 3. INSPECT AUXILIARY
