RM38N0EC _53 Suspension _111812 TIRE PRESSURE MONITORING _0502854 TIRE PRESSURE WARNING SYSTEM J

TIRE PRESSURE MONITORING  TIRE PRESSURE WARNING SYSTEM  Tire Pressure Warning Reset Switch Circuit  


DESCRIPTION

The switch circuit inside the combination meter assembly turns on and off according to the steering pad switch assembly operation.

WIRING DIAGRAM

C472029E01
0.958,6.146 4.625,6.344 3.667,0.198 10 false : CAN Communication Line 1.5,1.896 3.458,2.167 1.958,0.271 10 false Combination Meter Assembly 4.823,1.833 6.573,2.198 1.75,0.365 10 false Tire Pressure Warning ECU and Receiver 1.823,1.406 2.438,1.604 0.615,0.198 10 false MSM+ 3.354,4.198 4.427,4.635 1.073,0.438 10 false Spiral Cable Sub-assembly 3.646,1.146 3.958,1.344 0.313,0.198 10 false 21*2 2.958,3.896 3.417,4.094 0.458,0.198 10 false E20 3.042,3.698 3.198,3.896 0.156,0.198 10 false 4 4.583,3.021 4.896,3.219 0.313,0.198 10 false z10 4.958,4.229 6.271,4.615 1.313,0.385 10 false Steering Pad Switch Assembly 4.958,3.021 5.417,3.219 0.458,0.198 10 false +DP 4.583,3.458 4.896,3.656 0.313,0.198 10 false z10 4.583,3.885 4.896,4.083 0.313,0.198 10 false z10 4.667,2.823 4.823,3.021 0.156,0.198 10 false 4 4.604,3.688 4.917,3.885 0.313,0.198 10 false 10 4.958,3.906 5.417,4.104 0.458,0.198 10 false EAU 4.656,3.271 4.813,3.469 0.156,0.198 10 false 5 4.948,3.458 5.406,3.656 0.458,0.198 10 false +DP2 2.708,1.375 3.031,1.646 0.323,0.271 10 false ES 1.833,0.688 2.448,0.885 0.615,0.198 10 false MSTI 0.833,0.458 1.177,0.708 0.344,0.25 10 false 12*1 0.844,1.198 1.177,1.438 0.333,0.24 10 false 29*1 2.958,3.469 3.417,3.667 0.458,0.198 10 false E20 2.948,3.021 3.406,3.219 0.458,0.198 10 false E20 3.333,2.917 3.792,3.115 0.458,0.198 10 false +DP 3.333,3.365 3.792,3.563 0.458,0.198 10 false +DP2 3.354,3.781 3.813,3.979 0.458,0.198 10 false EAU 3.01,3.281 3.323,3.479 0.313,0.198 10 false 10 3.01,2.813 3.323,3.01 0.313,0.198 10 false 11 1.354,1.406 1.813,1.604 0.458,0.198 10 false E17 1.365,0.677 1.854,0.927 0.49,0.25 10 false E17 3.135,1.365 3.604,1.646 0.469,0.281 10 false E143 3.667,1.365 4.177,1.708 0.51,0.344 10 false E17 3.198,1.146 3.51,1.344 0.313,0.198 10 false 2*1 4.927,6.104 7.156,6.302 2.229,0.198 10 false *2: for Optitron Meter Type 4.927,5.656 7.156,5.854 2.229,0.198 10 false *1: for TFT Meter Type 1.24,4.344 2.615,4.542 1.375,0.198 10 false to Ground 0.833,0.677 1.375,1 0.542,0.323 10 false E142 0.813,1.406 1.365,1.74 0.552,0.333 10 false E142 1.333,1.198 1.729,1.479 0.396,0.281 10 false 29*2 1.333,0.458 1.729,0.677 0.396,0.219 10 false 30*2

PROCEDURE

1.CHECK FOR DTC (CAN COMMUNICATION SYSTEM)
a.

Check if CAN communication system DTCs are output.

for HV Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HV Model)>DIAGNOSIS SYSTEM

for Gasoline Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model)>DIAGNOSIS SYSTEM


Result:
Result Proceed to
DTCs are not output. A
DTCs are output. B



A

2.CHECK FOR DTC (METER/GAUGE SYSTEM)

B

GO TO CAN COMMUNICATION SYSTEM

for HV Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HV Model)>HOW TO PROCEED WITH TROUBLESHOOTING

for Gasoline Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model)>HOW TO PROCEED WITH TROUBLESHOOTING


2.CHECK FOR DTC (METER/GAUGE SYSTEM)
a.

Check if meter/gauge system DTC B151287 is output.

Body Electrical > Combination Meter > Trouble Codes
50001 409

Result:
Result Proceed to
DTC is not output. A
DTC is output. B



A

3.INSPECT STEERING PAD SWITCH ASSEMBLY

B

GO TO METER / GAUGE SYSTEM

for TFT Meter Type: Click hereVehicle Interior>METER / GAUGE / DISPLAY>METER / GAUGE SYSTEM (for TFT Meter Type)>HOW TO PROCEED WITH TROUBLESHOOTING

for Optitron Meter Type: Click hereVehicle Interior>METER / GAUGE / DISPLAY>METER / GAUGE SYSTEM (for Optitron Meter Type)>HOW TO PROCEED WITH TROUBLESHOOTING


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

Disconnect the E20 spiral cable sub-assembly connector.


b.

Disconnect the E142*1 or E17*2 combination meter assembly connector.

*1: for TFT Meter Type

*2: for Optitron Meter Type


c.

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

Standard Resistance:
for TFT Meter Type
Tester Connection Condition Specified Condition

Click Location & Routing(E20,E142,E143)Location & Routing

Click Connector(E20)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Spiral Cable Sub-Assembly

Click Connector(E142)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Combination Meter Assembly

Click Connector(E143)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Combination Meter Assembly

E20-11 (+DP) - E142-29 (MSM+) Always Below 1 Ω
E20-11 (+DP) or E142-29 (MSM+) - Body ground Always 10 kΩ or higher
E20-10 (+DP2) - E142-12 (MSTI) Always Below 1 Ω
E20-10 (+DP2) or E142-12 (MSTI) - Body ground Always 10 kΩ or higher
E20-4 (EAU) - Body ground Always Below 1 Ω
E143-2 (ES) - Body ground Always Below 1 Ω

for Optitron Meter Type
Tester Connection Condition Specified Condition

Click Location & Routing(E20,E17)Location & Routing

Click Connector(E20)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Spiral Cable Sub-Assembly

Click Connector(E17)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Combination Meter Assembly

E20-11 (+DP) - E17-29 (MSM+) Always Below 1 Ω
E20-11 (+DP) or E17-29 (MSM+) - Body ground Always 10 kΩ or higher
E20-10 (+DP2) - E17-30 (MSTI) Always Below 1 Ω
E20-10 (+DP2) or E17-30 (MSTI) - Body ground Always 10 kΩ or higher
E20-4 (EAU) - Body ground Always Below 1 Ω
E17-21 (ES) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER

Click hereSuspension>TIRE PRESSURE MONITORING>TIRE PRESSURE WARNING RECEIVER>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR