| Last Modified: 11-29-2007 | 1.6 J | |
| Service Category: Vehicle Interior | Section: Meter/Gauge/Display | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM0000031SS004X |
| Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DESCRIPTION (2008 Sequoia) | ||
|
Accessory Meter does not Illuminate |
DESCRIPTION
- This circuit provides power to the accessory meter.
- The cruise information display of the accessory meter shows the vehicle information input into the combination meter. The display can be changed by using the drive monitor switch.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
CHECK ACCESSORY METER ASSEMBLY |
(a) Check the malfunction of the accessory meter.
Result
|
Result |
Proceed to |
|---|---|
|
Accessory meter does not display at all |
A |
|
Cruise information display does not change |
B |
|
|
2. |
INSPECT FUSE (DOME, ECU-IG NO. 1, ACC) |
|
(a) Remove the DOME fuse from the engine room relay block. |
(b) Remove the ECU-IG No. 1 and ACC fuses from the main body ECU.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
DOME fuse |
Always |
Below 1 Ω |
|
ECU-IG No. 1 fuse |
Always |
Below 1 Ω |
|
ACC fuse |
Always |
Below 1 Ω |
|
|
3. |
CHECK HARNESS AND CONNECTOR (ACCESSORY METER - BATTERY AND BODY GROUND) |
|
(a) Disconnect the I22 accessory meter connector. |
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
I22-22 (ACC) - Body ground |
Ignition switch ACC |
11 to 14 V |
|
I22-23 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
|
I22-24 (B) - Body ground |
Always |
11 to 14 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
I22-12 (E) - Body ground |
Always |
Below 1 Ω |
|
|
4. |
REPLACE ACCESSORY METER ASSEMBLY |
(a) Temporarily replace the accessory meter with a new or normally functioning one
.
|
|
5. |
CHECK ACCESSORY METER ASSEMBLY (OPERATION) |
(a) Check that the accessory meter operation is normal.
OK:
Operation of accessory meter returns to normal.
|
|
6. |
INSPECT DRIVE MONITOR SWITCH |
|
(a) Remove the drive monitor switch
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
2 (MODE) - 5 (E) |
INFO switch pressed |
Below 1 Ω |
|
INFO switch not pressed |
10 kΩ or higher |
|
|
3 (REST) - 5 (E) |
SELECT switch pressed |
Below 1 Ω |
|
SELECT switch not pressed |
10 kΩ or higher |
|
|
4 (SET) - 5 (E) |
SETUP switch pressed |
Below 1 Ω |
|
SETUP switch not pressed |
10 kΩ or higher |
|
|
7. |
CHECK HARNESS AND CONNECTOR (DRIVE MONITOR SWITCH - COMBINATION METER AND BODY GROUND) |
|
(a) Disconnect the H37 combination meter connector. |
(b) Disconnect the J2 drive monitor switch connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
H37-28 (A/B) - J2-2 (MODE) |
Always |
Below 1 Ω |
|
H37-28 (A/B) - Body ground |
Always |
10 kΩ or higher |
|
H37-29 (E) - J2-4 (SET) |
Always |
Below 1 Ω |
|
H37-29 (E) - Body ground |
Always |
10 kΩ or higher |
|
H37-30 (RSET) - J2-3 (REST) |
Always |
Below 1 Ω |
|
H37-30 (RSET) - Body ground |
Always |
10 kΩ or higher |
|
J2-5 (E) - Body ground |
Always |
Below 1 Ω |
|
|
8. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER - ACCESSORY METER) |
|
(a) Disconnect the H37 combination meter connector. |
(b) Disconnect the I22 accessory meter connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
H37-31 (TX+) - I22-10 (TX-) |
Always |
Below 1 Ω |
|
H37-31 (TX+) - Body ground |
Always |
10 kΩ or higher |
|
|
9. |
REPLACE ACCESSORY METER ASSEMBLY |
(a) Temporarily replace the accessory meter with a new or normally functioning one
.
|
|
10. |
CHECK ACCESSORY METER ASSEMBLY (OPERATION) |
(a) Check that the accessory meter operation is normal.
OK:
Operation of accessory meter returns to normal.
|
|
|