| Last Modified: 11-27-2007 | 1.6 G | |
| Service Category: Steering | Section: Steering Column | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000003C4V002X |
| Title: STEERING COLUMN: STEERING WHEEL: INSPECTION (2008 LX570) | ||
INSPECTION
CAUTION:
The vehicle is equipped with an SRS (Supplemental Restraint System) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the PRECAUTION in the SRS
.
1. INSPECT STEERING PAD SWITCH ASSEMBLY (w/ Dynamic Radar Cruise Control System)
(a) Disconnect the z35 switch connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
6 (AU1) - 8 (EAU) |
No switch is pushed |
100 kΩ |
|
6 (AU1) - 8 (EAU) |
Seek+ switch pushed |
Below 2.5 Ω |
|
6 (AU1) - 8 (EAU) |
Seek- switch pushed |
329 Ω |
|
6 (AU1) - 8 (EAU) |
Volume+ switch pushed |
1000 Ω |
|
6 (AU1) - 8 (EAU) |
Volume- switch pushed |
3110 Ω |
|
7 (AU2) - 8 (EAU) |
No switch is pushed |
100 kΩ |
|
7 (AU2) - 8 (EAU) |
MODE switch pushed |
Below 2.5 Ω |
|
7 (AU2) - 8 (EAU) |
ON Hook switch pushed |
329 Ω |
|
7 (AU2) - 8 (EAU) |
OFF Hook switch pushed |
1000 Ω |
|
7 (AU2) - 8 (EAU) |
Voice switch pushed |
3110 Ω |
|
7 (+DP) - 8 (EAU) |
DISP switch pushed |
Below 2.5 Ω |
|
10 (ECC) - 2 (DIST) |
ACC switch pushed |
Below 2.5 Ω |
If the result is not as specified, replace the steering switch assembly.
2. INSPECT STEERING PAD SWITCH ASSEMBLY (w/o Dynamic Radar Cruise Control System)
(a) Disconnect the z35 switch connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
6 (AU1) - 8 (EAU) |
No switch is pushed |
100 kΩ |
|
6 (AU1) - 8 (EAU) |
Seek+ switch pushed |
Below 2.5 Ω |
|
6 (AU1) - 8 (EAU) |
Seek- switch pushed |
329 Ω |
|
6 (AU1) - 8 (EAU) |
Volume+ switch pushed |
1000 Ω |
|
6 (AU1) - 8 (EAU) |
Volume- switch pushed |
3110 Ω |
|
7 (AU2) - 8 (EAU) |
No switch is pushed |
100 kΩ |
|
7 (AU2) - 8 (EAU) |
MODE switch pushed |
Below 2.5 Ω |
|
7 (AU2) - 8 (EAU) |
On hook switch pushed |
329 Ω |
|
7 (AU2) - 8 (EAU) |
Off hook switch pushed |
1000 Ω |
|
9 (+DP) - 8 (EAU) |
DISP switch pushed |
Below 2.5 Ω |
If the result is not as specified, replace the steering pad switch assembly.
|
|