RM38T0EC _58 Vehicle Interior _112289 METER / GAUGE / DISPLAY _0504968 METER / GAUGE SYSTEM J

METER / GAUGE / DISPLAY  METER / GAUGE SYSTEM  Steering Pad Switch Circuit  


DESCRIPTION

The combination meter assembly and steering pad switch assembly are connected via direct line.

The multi-information display in the combination meter assembly is operated using the switches of the steering pad switch assembly.


WIRING DIAGRAM

Production Date from 2022/01 to 2023/04



E483326E01
5.094,0.802 5.615,1.031 0.521,0.229 10 false MSM+ 5.927,0.354 6.385,0.583 0.458,0.229 10 false 5 V 4.865,0.823 5.323,1.052 0.458,0.229 10 false 32 4.854,1.26 5.313,1.49 0.458,0.229 10 false 15 4.958,1.781 5.417,2.01 0.458,0.229 10 false I4 4.948,1.948 6.781,2.24 1.833,0.292 10 false Combination Meter Assembly 4.281,3.75 4.74,3.979 0.458,0.229 10 false OK 4.198,4.313 4.656,4.542 0.458,0.229 10 false BACK 5.542,3.75 6,3.979 0.458,0.229 10 false LEFT 5.625,4.292 6.083,4.521 0.458,0.229 10 false UP 5.5,4.854 6.063,5.104 0.563,0.25 10 false DOWN 5.51,5.406 6.01,5.635 0.5,0.229 10 false RIGHT 4.031,5.823 6.188,6.083 2.156,0.26 10 false Steering Pad Switch Assembly 1.208,5.823 2.906,6.125 1.698,0.302 10 false Spiral Cable Sub-assembly 1.26,8.292 3.719,8.573 2.458,0.281 10 false Radio and Display Receiver Assembly*2 1.385,3.083 1.844,3.313 0.458,0.229 10 false +DP 1.375,5.167 1.833,5.396 0.458,0.229 10 false EAU 1.031,2.667 1.49,2.896 0.458,0.229 10 false I82 2.906,2.667 3.365,2.896 0.458,0.229 10 false z3 2.938,2.469 3.396,2.698 0.458,0.229 10 false 5 2.938,2.99 3.396,3.219 0.458,0.229 10 false 4 2.885,5.073 3.344,5.302 0.458,0.229 10 false 10 1.042,2.99 1.5,3.219 0.458,0.229 10 false 11 5.094,1.271 5.615,1.5 0.521,0.229 10 false MSTI 2.896,3.188 3.354,3.417 0.458,0.229 10 false z3 2.906,5.292 3.365,5.521 0.458,0.229 10 false z3 1.042,2.469 1.5,2.698 0.458,0.229 10 false 10 1.094,5.073 1.552,5.302 0.458,0.229 10 false 4 1.375,2.573 1.833,2.802 0.458,0.229 10 false +DP2 1.042,3.177 1.5,3.406 0.458,0.229 10 false I82 1.031,5.26 1.49,5.49 0.458,0.229 10 false I82 1.542,7.906 2,8.135 0.458,0.229 10 false SWG 2.177,7.896 2.635,8.125 0.458,0.229 10 false GND1 1.302,6.313 1.615,6.51 0.313,0.198 10 false 20 2.656,6.313 2.865,6.542 0.208,0.229 10 false 1 1.177,7.885 1.49,8.083 0.313,0.198 10 false I258 2.677,7.885 2.99,8.083 0.313,0.198 10 false I257 2.76,7.677 2.969,7.906 0.208,0.229 10 false 7 1.219,7.677 1.531,7.875 0.313,0.198 10 false 23 0.656,7.771 0.969,7.969 0.313,0.198 10 false *2 0.635,6.302 0.948,6.5 0.313,0.198 10 false *1 1.5,6.781 1.813,6.979 0.313,0.198 10 false I253 1.24,6.979 4.042,7.323 2.802,0.344 10 false Radio and Display Receiver Assembly*1 4.167,7.99 6.99,8.323 2.823,0.333 10 false *1: w/ Navigation System 4.167,8.333 6.698,8.677 2.531,0.344 10 false *2: w/o Navigation System 1.552,6.417 2.01,6.646 0.458,0.229 10 false SWG 2.188,6.417 2.646,6.646 0.458,0.229 10 false GND1

Production Date from 2023/04


E511786E01
5.094,0.802 5.615,1.031 0.521,0.229 10 false MSM+ 5.927,0.354 6.385,0.583 0.458,0.229 10 false 5 V 4.865,0.823 5.323,1.052 0.458,0.229 10 false 29 4.854,1.26 5.313,1.49 0.458,0.229 10 false 12 4.958,1.781 5.417,2.01 0.458,0.229 10 false I5 4.948,1.948 6.781,2.24 1.833,0.292 10 false Combination Meter Assembly 4.281,3.75 4.74,3.979 0.458,0.229 10 false OK 4.198,4.313 4.656,4.542 0.458,0.229 10 false BACK 5.542,3.75 6,3.979 0.458,0.229 10 false LEFT 5.625,4.292 6.083,4.521 0.458,0.229 10 false UP 5.5,4.854 6.063,5.104 0.563,0.25 10 false DOWN 5.51,5.406 6.01,5.635 0.5,0.229 10 false RIGHT 4.031,5.823 6.188,6.083 2.156,0.26 10 false Steering Pad Switch Assembly 1.208,5.823 2.906,6.125 1.698,0.302 10 false Spiral Cable Sub-assembly 1.219,8.344 3.677,8.625 2.458,0.281 10 false Radio and Display Receiver Assembly*2 1.385,3.083 1.844,3.313 0.458,0.229 10 false +DP 1.375,5.167 1.833,5.396 0.458,0.229 10 false EAU 1.031,2.667 1.49,2.896 0.458,0.229 10 false I82 2.906,2.667 3.365,2.896 0.458,0.229 10 false z3 2.938,2.469 3.396,2.698 0.458,0.229 10 false 5 2.938,2.99 3.396,3.219 0.458,0.229 10 false 4 2.885,5.073 3.344,5.302 0.458,0.229 10 false 10 1.042,2.99 1.5,3.219 0.458,0.229 10 false 11 5.094,1.271 5.615,1.5 0.521,0.229 10 false MSTI 2.896,3.188 3.354,3.417 0.458,0.229 10 false z3 2.906,5.26 3.365,5.49 0.458,0.229 10 false z3 1.042,2.469 1.5,2.698 0.458,0.229 10 false 10 1.094,5.073 1.552,5.302 0.458,0.229 10 false 4 1.375,2.573 1.833,2.802 0.458,0.229 10 false +DP2 1.042,3.177 1.5,3.406 0.458,0.229 10 false I82 1.031,5.26 1.49,5.49 0.458,0.229 10 false I82 1.552,7.792 2.01,8.021 0.458,0.229 10 false SWG 2.177,7.792 2.635,8.021 0.458,0.229 10 false GND1 1.302,6.313 1.615,6.51 0.313,0.198 10 false 20 2.656,6.313 2.865,6.542 0.208,0.229 10 false 1 1.469,8.125 1.781,8.323 0.313,0.198 10 false I274 2.656,7.677 2.865,7.906 0.208,0.229 10 false 1 1.292,7.677 1.604,7.875 0.313,0.198 10 false 20 0.656,7.667 0.969,7.865 0.313,0.198 10 false *2 0.635,6.302 0.948,6.5 0.313,0.198 10 false *1 1.5,6.781 1.813,6.979 0.313,0.198 10 false I253 1.24,6.979 4.042,7.323 2.802,0.344 10 false Radio and Display Receiver Assembly*1 4.167,7.99 6.99,8.323 2.823,0.333 10 false *1: w/ Navigation System 4.167,8.333 6.698,8.677 2.531,0.344 10 false *2: w/o Navigation System 1.552,6.417 2.01,6.646 0.458,0.229 10 false SWG 2.188,6.417 2.646,6.646 0.458,0.229 10 false GND1


CAUTION / NOTICE / HINT

NOTICE:
·

When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.

·

When replacing the combination meter assembly, update the ECU security key.

Click hereGeneral>SETUP>WHEN REPLACING OR REMOVING/INSTALLING PARTS>UPDATE ECU SECURITY KEY



PROCEDURE

3.CONFIRM MODEL
a.

Choose the model to be inspected.


Result:
Result Proceed to
Production Date from 2022/01 to 2023/04 A
Production Date from 2023/04 B



A

4.CHECK COMBINATION METER ASSEMBLY (OUTPUT VOLTAGE)

B

9.CHECK COMBINATION METER ASSEMBLY (OUTPUT VOLTAGE)
4.CHECK COMBINATION METER ASSEMBLY (OUTPUT VOLTAGE)
E383900C02
1.51,0.177 1.927,0.406 0.417,0.229 1.125,1.792 1.542,1.375 true 2.135,1.792 1.719,1.375 true 0.938,1.802 1.417,2.177 0.479,0.375 10 false +DP2 2.042,1.802 2.521,2.177 0.479,0.375 10 false +DP 0.094,0.073 0.573,0.448 0.479,0.375 10 false *a 1.583,0.208 1.99,0.406 0.406,0.198 10 false I82
*a Front view of wire harness connector
(to Spiral Cable Sub-assembly)


a.

Measure the voltage according to the value(s) in the table below.

Standard Voltage:
Tester Connection Switch Condition Specified Condition
I82-11 (+DP) - Body ground Ignition switch ON 4.8 to 5.2 V
I82-10 (+DP2) - Body ground Ignition switch ON 4.8 to 5.2 V



Result:
Proceed to
OK
NG



OK

5.CONFIRM MODEL

NG

7.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - COMBINATION METER ASSEMBLY)
5.CONFIRM MODEL
a.

Choose the model to be inspected.


Result:
Result Proceed to
w/ Navigation System A
w/o Navigation System B



A

6.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND)

B

8.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND)
6.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND)
a.

Disconnect the I253 radio and display receiver assembly connector.


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
I253-20 (SWG) - I82-4 (EAU) Always Below 1 Ω
I253-1 (GND1) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

7.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - COMBINATION METER ASSEMBLY)
a.

Disconnect the I4 combination meter assembly connector.


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
I82-11 (+DP) - I4-32 (MSM+) Always Below 1 Ω
I82-10 (+DP2) - I4-15 (MSTI) Always Below 1 Ω
I82-11 (+DP) or I4-32 (MSM+) - Body ground Always 10 kΩ or higher
I82-10 (+DP2) or I4-15 (MSTI) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE COMBINATION METER ASSEMBLY

Click hereVehicle Interior>METER / GAUGE / DISPLAY>COMBINATION METER>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND)
a.

Disconnect the I258 and I257 radio and display receiver assembly connector.


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
I258-23 (SWG) - I82-4 (EAU) Always Below 1 Ω
I257-7 (GND1) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

9.CHECK COMBINATION METER ASSEMBLY (OUTPUT VOLTAGE)
E383900C02
1.51,0.177 1.927,0.406 0.417,0.229 1.125,1.792 1.542,1.375 true 2.135,1.792 1.719,1.375 true 0.938,1.802 1.417,2.177 0.479,0.375 10 false +DP2 2.042,1.802 2.521,2.177 0.479,0.375 10 false +DP 0.094,0.073 0.573,0.448 0.479,0.375 10 false *a 1.583,0.208 1.99,0.406 0.406,0.198 10 false I82
*a Front view of wire harness connector
(to Spiral Cable Sub-assembly)


a.

Measure the voltage according to the value(s) in the table below.

Standard Voltage:
Tester Connection Switch Condition Specified Condition
I82-11 (+DP) - Body ground Ignition switch ON 4.8 to 5.2 V
I82-10 (+DP2) - Body ground Ignition switch ON 4.8 to 5.2 V



Result:
Proceed to
OK
NG



OK

10.CONFIRM MODEL

NG

12.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - COMBINATION METER ASSEMBLY)
10.CONFIRM MODEL
a.

Choose the model to be inspected.


Result:
Result Proceed to
w/ Navigation System A
w/o Navigation System B



A

11.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND)

B

13.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND)
11.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND)
a.

Disconnect the I253 radio and display receiver assembly connector.


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
I253-20 (SWG) - I82-4 (EAU) Always Below 1 Ω
I253-1 (GND1) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

12.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - COMBINATION METER ASSEMBLY)
a.

Disconnect the I5 combination meter assembly connector.


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
I82-11 (+DP) - I5-29 (MSM+) Always Below 1 Ω
I82-10 (+DP2) - I5-12 (MSTI) Always Below 1 Ω
I82-11 (+DP) or I5-29 (MSM+) - Body ground Always 10 kΩ or higher
I82-10 (+DP2) or I5-12 (MSTI) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE COMBINATION METER ASSEMBLY

Click hereVehicle Interior>METER / GAUGE / DISPLAY>COMBINATION METER>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

13.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND)
a.

Disconnect the I274 radio and display receiver assembly connector.


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
I274-20 (SWG) - I82-4 (EAU) Always Below 1 Ω
I274-1 (GND1) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR