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Tire Pressure Warning (Diagnostic Codes & Circuit Tests): Other Lexus HS I

Warning System ~8044 words

PROCEDURE

  1. PERFORM FORCED TRANSMISSION OF TRANSMITTER ID OF ALL WHEELS Set the tire pressure to the specified value. Refer to «INSPECTION - Step 1»(ref-398280-S09740458742011051600000) . Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Chassis / Tire Pressure Monitor / Data List. Check the values by referring to the table below. TIRE PRESSURE MONITOR Tester Display Measurement Item/Range Normal Condition Diagnostic Note ID1 Tire Inflation Pressure ID1 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID2 Tire Inflation Pressure ID2 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID3 Tire Inflation Pressure ID3 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID4 Tire Inflation Pressure ID4 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* HINT: *: It may take up to 2 or 3 minutes until the values are displayed. If the values are not displayed after a few minutes, perform troubleshooting according to the inspection procedure for DTCs C2121/21 to C2124/24. Refer to «DTC C2121/21: No Signal from Transmitter ID1 in Main Mode; DTC C2122/22: No Signal from Transmitter ID2 in Main Mode; DTC C2123/23: No Signal from Transmitter ID3 in Main Mode; DTC C2124/24: No Signal from Transmitter ID4 in Main Mode; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC)»(ref-398287-S06358872252011051600000) . Rapidly reduce the tire pressure for each wheel at least 40 kPa (0.4 kgf/cm 2 , 5.8 psi) within 30 seconds. Check that each tire pressure data displayed on the Techstream has changed. OK Each tire pressure data displayed on the Techstream will change to the value of the tire pressure. NOTE: It takes up to 2 or 3 minutes to display the updated tire pressure data. If the "ID Tire Inflation Pressure" data has not changed, reset the tire pressure to the appropriate specified value and rotate the tire 90 to 270°. Then rapidly release the tire pressure and recheck it. After confirming that all of the tire pressure data displayed on the Techstream has changed, set the tire pressure to the appropriate specified values. HINT: If the tire pressure data displayed on the Techstream has not changed after rechecking, inspect the other problem (malfunction in transmission or reception function). Refer to «DTC C2121/21: No Signal from Transmitter ID1 in Main Mode; DTC C2122/22: No Signal from Transmitter ID2 in Main Mode; DTC C2123/23: No Signal from Transmitter ID3 in Main Mode; DTC C2124/24: No Signal from Transmitter ID4 in Main Mode; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC)»(ref-398287-S06358872252011051600000) NG --> See step 2 OK --> END
  2. INSPECT OTHER PROBLEM (MALFUNCTION IN TRANSMISSION OR RECEPTION FUNCTION). Refer to «DTC C2121/21: No Signal from Transmitter ID1 in Main Mode; DTC C2122/22: No Signal from Transmitter ID2 in Main Mode; DTC C2123/23: No Signal from Transmitter ID3 in Main Mode; DTC C2124/24: No Signal from Transmitter ID4 in Main Mode; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC)»(ref-398287-S06358872252011051600000)
  1. IDENTIFY TRANSMITTER NOT RECEIVED Set the tire pressure to the appropriate specified values. Refer to «INSPECTION - Step 1»(ref-398280-S09740458742011051600000) . Turn the power switch off. Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Chassis / Tire Pressure Monitor / Data List. Check the values by referring to the table below. TIRE PRESSURE MONITOR Tester Display Measurement Item/Range Normal Condition Diagnostic Note ID1 Tire Inflation Pressure ID1 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID2 Tire Inflation Pressure ID2 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID3 Tire Inflation Pressure ID3 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID4 Tire Inflation Pressure ID4 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* HINT: *: It may take up to 2 or 3 minutes until the values are displayed. Rapidly reduce the tire pressure for each wheel at least 40 kPa (0.4 kgf/cm 2 , 5.8 psi) within 30 seconds. Check the Data List. NOTE: It takes up to 2 or 3 minutes to display the updated tire pressure data. If no "ID Tire Inflation Pressure" data has changed, reset the tire pressure to the appropriate specified value and rotate the tire 90 to 270°. Then rapidly release the tire pressure and recheck it. Record the "ID Tire Inflation Pressure" data transmitter ID that corresponds to each tire. After confirming that the "ID Tire Inflation Pressure" data for one tire (ID1 to ID4) has changed, repeat this procedure one by one. Identify the transmitter not received. RESULT Condition Proceed to One or more transmitters abnormal A All normal B B --> END A: Go to next step
  2. CHECK TRANSMITTER ID Turn the power switch off. Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Chassis / Tire Pressure Monitor / Data List. Check the values by referring to the table below. TIRE PRESSURE MONITOR Tester Display Measurement Item/Display Normal Condition Diagnostic Note Registered ID1 Code Registered ID1 code/ min.: 0 max.: FFFFFFF* The ID No. registered in the transmitter ID1 is displayed *: Displayed only when the ID No. is not registered. Registered ID2 Code Registered ID2 code/ min.: 0 max.: FFFFFFF* The ID No. registered in the transmitter ID2 is displayed *: Displayed only when the ID No. is not registered. Registered ID3 Code Registered ID3 code/ min.: 0 max.: FFFFFFF* The ID No. registered in the transmitter ID3 is displayed *: Displayed only when the ID No. is not registered. Registered ID4 Code Registered ID4 code/ min.: 0 max.: FFFFFFF* The ID No. registered in the transmitter ID4 is displayed *: Displayed only when the ID No. is not registered. Check the ID number on the identified transmitter by removing it from the tire and wheel. TEXT IN ILLUSTRATION *1 Tire Pressure Warning Valve and Transmitter *2 Transmitter ID (7 Digit Number) Confirm that the ID number on the transmitter and recorded transmitter ID match. RESULT Result Proceed to Match A Do not match B B --> See step 4 A: Go to next step
  3. REPLACE TIRE PRESSURE WARNING VALVE AND TRANSMITTER Replace the tire pressure warning valve and transmitter. Refer to «REMOVAL»(ref-398288-S09486356632011051600000) . NEXT: Go to next step
  4. REGISTRATION OF TRANSMITTER ID Perform registration. Refer to «REGISTRATION»(ref-398096-S07335630122011051600000) . NEXT: Go to next step
  5. PERFORM INITIALIZATION Perform initialization. Refer to «INITIALIZATION»(ref-398096-S11502039922011051600000) . NEXT: Go to next step
  6. CONFIRM TIRE INFLATION PRESSURE (DATA LIST) Turn the power switch off. Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Chassis / Tire Pressure Monitor/ Data List. Check the values by referring to the table below. TIRE PRESSURE MONITOR Tester Display Measurement Item/Range Normal Condition Diagnostic Note ID1 Tire Inflation Pressure ID1 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID2 Tire Inflation Pressure ID2 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID3 Tire Inflation Pressure ID3 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID4 Tire Inflation Pressure ID4 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* HINT: *: It may take up to 2 or 3 minutes until the values are displayed. If no "ID Tire Inflation Pressure" data has changed, reset the tire pressure to the appropriate specified value and rotate the tire 90 to 270°. Then rapidly release the tire pressure and recheck it. RESULT Result Proceed to Tire pressure values are not displayed. A All tire pressure readings are equal to specified values. B B --> END A: Go to next step
  7. REPLACE TIRE PRESSURE WARNING ANTENNA AND RECEIVER Replace the tire pressure warning antenna and receiver. Refer to «REMOVAL»(ref-398288-S19789702692011051600000) . NEXT: Go to next step
  8. CONFIRM TIRE INFLATION PRESSURE (DATA LIST) Turn the power switch off. Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Chassis / Tire Pressure Monitor / Data List. Check the values by referring to the table below. TIRE PRESSURE MONITOR Tester Display Measurement Item/Range Normal Condition Diagnostic Note ID1 Tire Inflation Pressure ID1 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID2 Tire Inflation Pressure ID2 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID3 Tire Inflation Pressure ID3 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID4 Tire Inflation Pressure ID4 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* HINT: *: It may take up to 2 or 3 minutes until the values are displayed. If no "ID Tire Inflation Pressure" data has changed, reset the tire pressure to the appropriate specified value and rotate the tire 90 to 270°. Then rapidly release the tire pressure and recheck it. RESULT Result Proceed to All tire pressure readings are equal to specified values. A Tire pressure values are not displayed. B B --> See step 9 A --> END
  9. REPLACE TIRE PRESSURE WARNING ECU. Refer to «REMOVAL»(ref-398288-S07174131482011051600000)
  1. IDENTIFY TRANSMITTER CORRESPONDING TO DTC Set the tire pressure to the specified value. Refer to «INSPECTION - Step 1»(ref-398280-S09740458742011051600000) . Turn the power switch off. Connect on Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Chassis / Tire Pressure Monitor / Data List. Display the "ID Tire Inflation Pressure" data for each wheel using the Techstream. Rapidly reduce the tire pressure for each wheel at least 40 kPa (0.4 kgf/cm 2 , 5.8 psi) within 30 seconds. If "ID Tire Inflation Pressure" data displayed on the Techstream (ID1 to ID4) does not change, the tire pressure warning valve and transmitter corresponding to the unchanged "ID Tire Inflation Pressure" data was the cause of the output DTC. HINT: It takes up to 2 or 3 minutes to display the updated tire pressure data. Identify the malfunctioning tire pressure warning valve and transmitter by rapidly decreasing the tire pressure of each tire. Record "ID Tire Inflation Pressure" data (ID1 to ID4) corresponds to each tire. TIRE PRESSURE MONITOR Tester Display Measurement Item/Range Normal Condition Diagnostic Note ID1 Tire Inflation Pressure ID1 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID2 Tire Inflation Pressure ID2 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID3 Tire Inflation Pressure ID3 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID4 Tire Inflation Pressure ID4 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* HINT: *: It may take up to 2 or 3 minutes until the values are displayed. If the values are not displayed after a few minutes, perform troubleshooting according to the inspection procedure for DTCs C2121/21 to C2124/24. Refer to «DTC C2121/21: No Signal from Transmitter ID1 in Main Mode; DTC C2122/22: No Signal from Transmitter ID2 in Main Mode; DTC C2123/23: No Signal from Transmitter ID3 in Main Mode; DTC C2124/24: No Signal from Transmitter ID4 in Main Mode; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC)»(ref-398287-S06358872252011051600000) . Check the Data List. RESULT Condition Detection Condition One of "Tire Inflation Pressure" data (ID1 to ID4) changed. Normal "Tire Inflation Pressure" data did not change. Transmitter corresponding to DTC NOTE: It takes up to 2 or 3 minutes to display the updated tire pressure data. If "ID Tire Inflation Pressure" data has not changed, reset the tire pressure to the appropriate specified value and rotate the tire 90 to 270°. Then forcibly transmit the transmitter ID and recheck it. Record the transmitter ID and position of transmitters that are normal. When the "ID Tire Inflation Pressure" data (ID1 to ID4) has changed, repeat this procedure to identify the tire pressure warning valve and transmitter that corresponds to the DTC. When all of the "ID Tire Inflation Pressure" data (ID1 to ID4) has changed, identify the malfunctioning tire pressure warning valve and transmitter using recorded ID numbers and output DTC. Set the tire pressures to the appropriate specified values. Refer to «INSPECTION - Step 1»(ref-398280-S09740458742011051600000) . NEXT: Go to next step
  2. REPLACE TIRE PRESSURE WARNING VALVE AND TRANSMITTER Replace the identified tire pressure warning valve and transmitter with a new one. Refer to «REMOVAL»(ref-398288-S09486356632011051600000) . HINT: Before installing a new tire pressure warning valve and transmitter, read and write down its transmitter ID. The IDs for the tire pressure warning valve and transmitters that are not replaced should be checked using the Techstream and recorded. NEXT: Go to next step
  3. REGISTRATION OF TRANSMITTER ID Register the transmitter ID for all wheels. Refer to «REGISTRATION»(ref-398096-S07335630122011051600000) . NEXT: Go to next step
  4. PERFORM INITIALIZATION Perform initialization. Refer to «INITIALIZATION»(ref-398096-S11502039922011051600000) . NEXT: Go to next step
  5. CONFIRM TIRE INFLATION PRESSURE (DATA LIST) Turn the power switch off. Connect on Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Chassis / Tire Pressure Monitor / Data List. Check the values by referring to the table below. TIRE PRESSURE MONITOR Tester Display Measurement Item/Range Normal Condition Diagnostic Note ID1 Tire Inflation Pressure ID1 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID2 Tire Inflation Pressure ID2 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID3 Tire Inflation Pressure ID3 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID4 Tire Inflation Pressure ID4 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* HINT: *: It may take up to 2 or 3 minutes until the values are displayed. When no "ID Tire Inflation Pressure" data has changed, reset the tire pressure to the appropriate specified value and rotate the tire 90 to 270°. Then rapidly release the tire pressure and recheck it. RESULT Result Proceed to Tire pressure values are not displayed. A All tire pressure readings are equal to specified values. B B --> END A --> See step 6
  6. REPLACE TIRE PRESSURE WARNING ECU. Refer to «REMOVAL»(ref-398288-S07174131482011051600000)
  1. CHECK TIRES Check that the tires are not flat, and have no indication of air leaks. OK Tires are normal. HINT: If a tire is damaged, the tire pressure warning valve and transmitter may also have been damaged at the same time. NG --> See step 7 OK: Go to next step
  2. IDENTIFY TRANSMITTER CORRESPONDING TO DTC Set the tire pressure to the specified value. Refer to «INSPECTION - Step 1»(ref-398280-S09740458742011051600000) . Turn the power switch off. Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Chassis / Tire Pressure Monitor / Data List. Display the "ID Tire Inflation Pressure" data for each wheel using the Techstream. Rapidly reduce the tire pressure for each wheel at least 40 kPa (0.4 kgf/cm 2 , 5.8 psi) within 30 seconds. Check the Data List. TIRE PRESSURE MONITOR Tester Display Measurement Item/Range Normal Condition Diagnostic Note ID1 Tire Inflation Pressure ID1 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID2 Tire Inflation Pressure ID2 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID3 Tire Inflation Pressure ID3 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID4 Tire Inflation Pressure ID4 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* HINT: *: It may take up to 2 or 3 minutes until the values are displayed. If the values are not displayed after a few minutes, perform troubleshooting according to the inspection procedure for DTCs C2121/21 to C2124/24. Refer to «DTC C2121/21: No Signal from Transmitter ID1 in Main Mode; DTC C2122/22: No Signal from Transmitter ID2 in Main Mode; DTC C2123/23: No Signal from Transmitter ID3 in Main Mode; DTC C2124/24: No Signal from Transmitter ID4 in Main Mode; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC)»(ref-398287-S06358872252011051600000) . RESULT Condition Detection Condition One of "ID Tire Inflation Pressure" data (ID1 to ID4) changed. Normal No "ID Tire Inflation Pressure" data changed. Transmitter corresponding to DTC NOTE: It takes up to 2 or 3 minutes to display the updated tire pressure data. If no "ID Tire Inflation Pressure" data has changed, reset the tire pressure to the appropriate specified value and rotate the tire 90 to 270°. Then forcibly transmit the transmitter ID and recheck it. Record the transmitter ID and position of transmitters that are normal. When the "ID Tire Inflation Pressure" data (ID1 to ID4) has changed, repeat this procedure to identify the tire pressure warning valve and transmitter that corresponds to the DTC. When all of the "ID Tire Inflation Pressure" data (ID1 to ID4) has changed, identify the malfunctioning tire pressure warning valve and transmitter based on the recorded ID numbers and output DTC. NEXT: Go to next step
  3. REPLACE TIRE PRESSURE WARNING VALVE AND TRANSMITTER Replace the identified tire pressure warning valve and transmitter with a new one. Refer to «REMOVAL»(ref-398288-S09486356632011051600000) . HINT: Before installing a new tire pressure warning valve and transmitter, read and write down its transmitter ID. The IDs for the tire pressure warning valve and transmitters that are not replaced should be checked using the Techstream and recorded. NEXT: Go to next step
  4. CHECK REGISTRATION OF TRANSMITTER ID Register the transmitter ID for all wheels. Refer to «REGISTRATION»(ref-398096-S07335630122011051600000) . NEXT: Go to next step
  5. PERFORM INITIALIZATION Perform initialization. Refer to «INITIALIZATION»(ref-398096-S11502039922011051600000) . NEXT: Go to next step
  6. CONFIRM TIRE INFLATION PRESSURE (DATA LIST) Turn the power switch off. Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Chassis / Tire Pressure Monitor / Data List. Check the values by referring to the table below. TIRE PRESSURE MONITOR Tester Display Measurement Item/Range Normal Condition Diagnostic Note ID1 Tire Inflation Pressure ID1 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID2 Tire Inflation Pressure ID2 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID3 Tire Inflation Pressure ID3 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID4 Tire Inflation Pressure ID4 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* HINT: *: It may take up tot 2 or 3 minutes until the values are displayed. If no "ID Tire Inflation Pressure" data has changed, reset the tire pressure to the appropriate specified value and rotate the tire 90 to 270°. Then rapidly release the tire pressure and recheck it. RESULT Condition Proceed to Tire pressure values are not displayed. A All tire pressure readings are equal to specified values. B B --> END A --> See step 8
  7. REPLACE TIRE AND TIRE PRESSURE WARNING VALVE AND TRANSMITTER. Refer to «REMOVAL»(ref-398288-S09486356632011051600000)
  8. REPLACE TIRE PRESSURE WARNING ECU. Refer to «REMOVAL»(ref-398288-S07174131482011051600000)
  1. CONFIRM REGISTRATION CONDITION (REGISTERED ID CODES) Turn the power switch off. Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Chassis / Tire Pressure Monitor / Data List. Check the values by referring to the table below. TIRE PRESSURE MONITOR Tester Display Measurement Item/Display Normal Condition Diagnostic Note Registered ID1 Code Registered ID1 code/ min.: 0 max.: FFFFFFF* The ID No. registered in the transmitter ID1 is displayed *: Displayed only when the ID No. is not registered. Registered ID2 Code Registered ID2 code/ min.: 0 max.: FFFFFFF* The ID No. registered in the transmitter ID2 is displayed *: Displayed only when the ID No. is not registered. Registered ID3 Code Registered ID3 code/ min.: 0 max.: FFFFFFF* The ID No. registered in the transmitter ID3 is displayed *: Displayed only when the ID No. is not registered. Registered ID4 Code Registered ID4 code/ min.: 0 max.: FFFFFFF* The ID No. registered in the transmitter ID4 is displayed *: Displayed only when the ID No. is not registered. OK The registered transmitter ID codes are displayed on the Techstream. RESULT Result Proceed to NG A OK B B --> See step 4 A: Go to next step
  2. PERFORM REGISTRATION (TRANSMITTER ID) Register the transmitter IDs for all the wheels. Refer to «REGISTRATION»(ref-398096-S07335630122011051600000) . NEXT: Go to next step
  3. CONFIRM TIRE INFLATION PRESSURE (DATA LIST) Turn the power switch off. Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Chassis / Tire Pressure Monitor / Data List. Check the values by referring to the table below. TIRE PRESSURE MONITOR Tester Display Measurement Item/Range Normal Condition Diagnostic Note ID1 Tire Inflation Pressure ID1 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID2 Tire Inflation Pressure ID2 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID3 Tire Inflation Pressure ID3 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID4 Tire Inflation Pressure ID4 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* HINT: *: It may take up to 2 or 3 minutes until the values are displayed. If no "ID Tire Inflation Pressure" data has changed, reset the tire pressure to the appropriate specified value and rotate the tire 90 to 270°. Then rapidly release the tire pressure and recheck it. Result Result Proceed to All tire pressure readings are equal to specified values. A Tire pressure values are not displayed. B B --> See step 4 A --> END
  4. REPLACE TIRE PRESSURE WARNING ECU. Refer to «REMOVAL»(ref-398288-S07174131482011051600000)
  1. CHECK FREQUENCY RECEIVING CONDITION Check if the vehicle is located in an area such as the one described below: Facilities or devices that use similar radio frequencies are located in the vicinity of the vehicle. HINT: If the vehicle is located in an area such as described above, the tire pressure warning light may turn on only in a particular location. Devices using similar radio frequencies are used in the vehicle. OK Facilities, or devices that use similar radio frequencies are not located in the vicinity of the vehicle. HINT: Radio frequency may be interrupted due to vehicle surroundings or devices installed by the user. NG --> CHECK IF ANY DEVICE IS INSTALLED BY USER OK: Go to next step
  2. PERFORM INITIALIZATION Perform initialization. Refer to «INITIALIZATION»(ref-398096-S11502039922011051600000) . NEXT: Go to next step
  3. CONFIRM TIRE INFLATION PRESSURE (DATA LIST) Turn the power switch off. Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Chassis / Tire Pressure Monitor / Data List. Check the values by referring to the table below. TIRE PRESSURE MONITOR Tester Display Measurement Item/Range Normal Condition Diagnostic Note ID1 Tire Inflation Pressure ID1 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID2 Tire Inflation Pressure ID2 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID3 Tire Inflation Pressure ID3 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* ID4 Tire Inflation Pressure ID4 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm 2 , 0 psi), Relative pressure / -100 kPa (-1.0 kgf/cm 2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/cm 2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm 2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm 2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm 2 , -14 psi) is displayed for relative pressure, data has not been received.* HINT: *: It may take up to 2 or 3 minutes until the values are displayed. If no "ID Tire Inflation Pressure" data has changed, reset the tire pressure to the appropriate specified value and rotate the tire 90 to 270°. Then rapidly release the tire pressure and recheck it. RESULT Condition proceed to Tire pressure values are not displayed A All tire pressure readings are equal to specified values B B --> END A --> See step 4
  4. GO TO C2121/21 to C2124/24 FLOWCHART. Refer to «DTC C2121/21: No Signal from Transmitter ID1 in Main Mode; DTC C2122/22: No Signal from Transmitter ID2 in Main Mode; DTC C2123/23: No Signal from Transmitter ID3 in Main Mode; DTC C2124/24: No Signal from Transmitter ID4 in Main Mode; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC)»(ref-398287-S06358872252011051600000)
  1. CHECK CAN COMMUNICATION SYSTEM Turn the power switch off. Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: "Bus Check" from the "System Select" / "Communication Malfunction DTC" from the "Bus Check" screen. Check the CAN communication system. Refer to «DIAGNOSIS SYSTEM»(ref-398235-S15853483682011051600000) . OK The CAN communication system is normal. NG --> See step 5 OK: Go to next step
  2. CHECK VEHICLE SPEED SIGNAL (DATA LIST) Turn the power switch off. Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Chassis / Tire Pressure Monitor / Data List. Check that the values indicated on the Techstream and on the combination meter are the same. TIRE PRESSURE Tester Display Measurement Item/Range Normal Condition Diagnostic Note Vehicle Speed Vehicle speed reading/ min.: 0 km/h (0 mph) max.: 255 km/h (158 mph) Actual vehicle speed Speed indicated on the combination meter OK The vehicle speed displayed on the Techstream changes depending on the actual vehicle speed. NG --> See step 6 OK: Go to next step
  3. PERFORM SIGNAL CHECK (VEHICLE SPEED SIGNAL) Enter the signal check mode in Test Mode (Signal Check Mode) Procedure. Refer to «TEST MODE PROCEDURE»(ref-398096-S24273358192011051600000) . Drive the vehicle at 20 km/h (12 mph) or more for 3 seconds to erase DTC C2191/91. Check the test mode (sensor check mode) DTCs. Result Result Proceed to DTCs C2191/91 is erased A DTC C2191/91 is output B B --> See step 7 A --> See step 4
  4. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398089-S18270818032011051600000)
  5. GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398235-S17886579092011051600000)
  6. GO TO METER / GAUGE SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398239-S21159643442011051600000)
  7. REPLACE TIRE PRESSURE WARNING ECU. Refer to «REMOVAL»(ref-398288-S07174131482011051600000)
  1. CHECK CAN COMMUNICATION SYSTEM Turn the power switch off. Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: "Bus Check" from the "System Select" / "Communication Malfunction DTC" from the "Bus Check" screen. Check the CAN communication system. Refer to «DIAGNOSIS SYSTEM»(ref-398235-S15853483682011051600000) . OK The CAN communication system is normal. NG --> See step 4 OK: Go to next step
  2. CHECK VEHICLE SPEED SIGNAL (DATA LIST) Turn the power switch off. Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Chassis / Tire Pressure Monitor / Data List. Check that the values indicated on the Techstream and on the combination meter are the same. TIRE PRESSURE Tester Display Measurement Item/Range Normal Condition Diagnostic Note Vehicle Speed Vehicle speed reading/ min.: 0 km/h (0 mph) max.: 255 km/h (158 mph) Actual vehicle speed Speed indicated on the combination meter OK The vehicle speed displayed on the Techstream changes depending on the actual vehicle speed. NG --> See step 5 OK --> See step 3
  3. REPLACE TIRE PRESSURE WARNING ECU. Refer to «REMOVAL»(ref-398288-S07174131482011051600000)
  4. GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398235-S17886579092011051600000)
  5. GO TO METER / GAUGE SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398239-S21159643442011051600000)
  1. CHECK CAN COMMUNICATION LINE Turn the power switch off. Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: "Bus Check" from the "System Select" / "Communication Malfunction DTC" from the "Bus Check" screen. Check the CAN communication system. Refer to «DIAGNOSIS SYSTEM»(ref-398235-S15853483682011051600000) . OK The CAN communication system is normal. NG --> See step 3 OK: Go to next step
  2. CHECK OPERATION OF TIRE PRESSURE WARNING LIGHT (ACTIVE TEST) Turn the power switch off. Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Body Electrical / Combination Meter / Active Test. Check the condition of the tire pressure warning light by operating the Techstream. COMBINATION METER Tester Display Test Part Control Range Diagnostic Note Indicat. Lamp Tire Pressure Tire Pressure Warning Light Tire pressure warning light is ON / OFF Confirm that the vehicle is stopped with the engine idling OK The warning light turns on when operating the Techstream. NG --> See step 4 OK --> See step 5
  3. GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398235-S17886579092011051600000)
  4. GO TO METER / GAUGE SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398239-S21159643442011051600000)
  5. REPLACE TIRE PRESSURE WARNING ECU. Refer to «REMOVAL»(ref-398288-S07174131482011051600000)
  1. CHECK HARNESS AND CONNECTOR (ECU - BATTERY) Disconnect the F61 ECU connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Switch Condition Specified Condition F61-1 (IG) - Body ground Power switch on (IG) 10 to 14 V Power switch off Below 1 V NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (ECU - BODY GROUND) Disconnect the F61 ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F61-7 (GND) - Body ground Always Below 1 ohms NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 3
  3. REPLACE TIRE PRESSURE WARNING ECU. Refer to «REMOVAL»(ref-398288-S07174131482011051600000)

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