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Smart Access System (Keyless Start) (Diagnostic Codes & Symptom Tests): Other Lexus RX III

Starter ~7802 words

PROCEDURE

  1. CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) Disconnect the F8 connector from the power management control ECU. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition F8-1 (AM22) - Body ground Always 9.5 to 16 V F8-2 (AM21) - Body ground Always 9.5 to 16 V TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Power Management Control ECU) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) Disconnect the F8 connector from the power management control ECU. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F8-5 (GND2) - Body ground Always Below 1 ohms F8-6 (GND) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Power Management Control ECU) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
  3. INSPECT IG1 RELAY Remove the IG1 relay from the engine room relay block assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1 - 2 Always 130 to 230 ohms 3 - 5 When battery voltage is not applied to terminals 1 and 2 10 kohms or higher 3 - 5 When battery voltage is applied to terminals 1 and 2 Below 1 ohms NG --> REPLACE IG1 RELAY OK: Go to next step
  4. INSPECT IG2 RELAY Remove the IG2 relay from the engine room relay block assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1 - 2 Always 130 to 230 ohms 3 - 5 When battery voltage is not applied to terminals 1 and 2 10 kohms or higher 3 - 5 When battery voltage is applied to terminals 1 and 2 Below 1 ohms NG --> REPLACE IG2 RELAY OK: Go to next step
  5. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (IG NO. 1, IG NO. 2 AND IG NO. 3 RELAY) Remove the instrument panel junction block assembly. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2A-20 - 2A-3 20°C 52.32 to 79.32 ohms TEXT IN ILLUSTRATION *1 Component without harness connected (Instrument Panel Junction Block Assembly) NG --> See step 12 OK: Go to next step
  6. CHECK HARNESS AND CONNECTOR Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F8-20 (IG1D) - 2A-20 Always Below 1 ohms F8-20 (IG1D) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Power Management Control ECU) *2 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  7. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2A-3 - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) OK: Go to next step
  8. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - IG1 RELAY) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2F-14 - Engine room relay block IG1 relay terminal 2 Always Below 1 ohms 2F-14 - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) *2 Component without relay connected (Engine Room Relay Block Assembly) *3 IG1 Relay Terminal NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - IG1 RELAY) OK: Go to next step
  9. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - IG2 RELAY) Disconnect the F7 connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F7-8 (IG2D) - Engine room relay block IG2 relay terminal 2 Always Below 1 ohms F7-8 (IG2D) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Power Management Control ECU) *2 Component without relay connected (Engine Room Relay Block Assembly) *3 IG2 Relay Terminal NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - IG2 RELAY) OK: Go to next step
  10. CHECK HARNESS AND CONNECTOR (ENGINE ROOM RELAY BLOCK ASSEMBLY - BODY GROUND) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Engine room relay block IG1 relay terminal 1 - Body ground Always Below 1 ohms Engine room relay block IG2 relay terminal 1 - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Component without harness connected (Engine Room Relay Block Assembly) *2 IG2 Relay Terminal *3 IG1 Relay Terminal NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (ENGINE ROOM RELAY BLOCK ASSEMBLY - BODY GROUND) OK: Go to next step
  11. CHECK POWER MANAGEMENT CONTROL ECU Install the instrument panel junction block assembly. Refer to «INSTALLATION - Step 2»(ref-400866-S25627331132011051800000) . Reconnect the F7 and F8 connectors. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition F7-8 (IG2D) - Body ground Engine switch on (IG) Output voltage at terminal AM21 or AM22 -2.5 V or more F8-20 (IG1D) - Body ground Engine switch on (IG) Output voltage at terminal AM21 or AM22 -2.5 V or more TEXT IN ILLUSTRATION *1 Component with harness connected (Power Management Control ECU) NG --> See step 13 OK --> See step 14
  12. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000)
  13. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  14. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S16126263452011051800000)
  1. CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
  3. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the instrument panel junction block assembly. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2A-3 - 2A-17 20°C (68°F) 81.49 to 118.98 ohms TEXT IN ILLUSTRATION *1 Component without harness connected (Instrument Panel Junction Block Assembly) NG --> See step 7 OK: Go to next step
  4. CHECK HARNESS AND CONNECTOR Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F8-19 (ACCD) - 2A-17 Always Below 1 ohms F8-19 (ACCD) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Power Management Control ECU) *2 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  5. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) Measure the resistance according to the value(s) the table below. Standard Resistance Tester Connection Condition Specified Condition 2A-3 - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) OK: Go to next step
  6. INSPECT POWER MANAGEMENT CONTROL ECU Reinstall the instrument panel junction block assembly. Refer to «INSTALLATION - Step 2»(ref-400866-S25627331132011051800000) . Reconnect the F8 connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition F8-19 (ACCD) - Body ground Engine switch on (ACC) Output voltage at terminal AM21 or AM22 -2.5 V or more TEXT IN ILLUSTRATION *1 Component with harness connected (Power Management Control ECU) NG --> See step 8 OK --> See step 9
  7. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000)
  8. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  9. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S16126263452011051800000)
  1. CHECK FOR DTC Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400655-S33643380482011051800000) . Turn the engine switch on (IG). After 330 seconds have elapsed, check if the DTC has been set again. OK DTC B2277 is not output. HINT: If there are any signs that water was present, before replacing the power source control ECU, take measures to prevent any further water entry. NG --> See step 2 OK --> See step 3
  2. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S34409136982011051800000)
  3. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S11887826212011051800000)
  1. CHECK FOR DTC Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400655-S33643380482011051800000) . Turn the engine switch on (IG). After 330 seconds have elapsed, check if the DTC has been set again. OK DTC B2277 is not output. HINT: If there are any signs that water was present, before replacing the power source control ECU, take measures to prevent any further water entry. NG --> See step 2 OK --> See step 3
  2. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  3. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S16126263452011051800000)
  1. CHECK CAN COMMUNICATION SYSTEM Check if CAN communication DTCs are output. HINT: If any DTCs for CAN communication system malfunction are output, inspect those DTCs first. OK CAN communication DTC is not output. NG --> See step 10 OK: Go to next step
  2. CHECK SPEEDOMETER OPERATION Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Combination Meter / Data List. Check the Data List for proper functioning of the vehicle speed signal. COMBINATION METER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Vehicle Speed Meter Vehicle speed/Min.: 0, Max.: 255 Almost same as actual speed (When driving) - OK Vehicle speed displayed on the Techstream is almost the same as the actual vehicle speed measured using a speedometer tester (calibrated chassis dynamometer). NG --> See step 11 OK: Go to next step
  3. READ VALUE USING TECHSTREAM Enter the following menus: Body Electrical / Power Source Control / Data List. Read the Data List according to the display on the Techstream. POWER SOURCE CONTROL Tester Display Measurement Item/Range Normal Condition Diagnostic Note Vehicle speed signal Vehicle speed signal/Stop or Run Sop: Vehicle stopped Run: Vehicle running - OK Stop (vehicle is stopped) and Run (vehicle is running) appear on the screen. NG --> See step 4 OK --> See step 12
  4. CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  5. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
  6. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - POWER MANAGEMENT CONTROL ECU) Disconnect the F15 connector from the combination meter assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F8-23 (SPD) - F15-3 (+S) Always Below 1 ohms F8-23 (SPD) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Power Management Control ECU) *2 Front view of wire harness connector (to Combination Meter Assembly) NG --> See step 8 OK: Go to next step
  7. INSPECT COMBINATION METER ASSEMBLY Remove the combination meter. Refer to «REMOVAL»(ref-400807-S21743066462011051800000). Reconnect the F15 connector to the combination meter assembly. Reconnect the F8 connector to the power management control ECU. Connect an oscilloscope to terminal F15-3 (+S) and body ground. Turn the engine switch on (IG). Turn the wheel slowly. Check the signal waveform according to the condition(s) in the table below. Item Condition Tool setting 5 V/DIV., 20 ms./DIV. Vehicle condition Driving at approx. 20 km/h (12 mph) OK The waveform is displayed as shown in the illustration (Схема №43). TEXT IN ILLUSTRATION *1 Component with harness connected (Combination Meter Assembly) HINT: When the system is functioning normally, one wheel revolution generates 4 pulses. As the vehicle speed increases, the width indicated by (A) in the illustration narrows. NG --> See step 13 OK --> See step 14
  8. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - JUNCTION CONNECTOR) Disconnect the F93 connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F15-3 (+S) - F93-57 Always Below 1 ohms F15-3 (+S) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Junction Block) *2 Front view of wire harness connector (to Combination Meter Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (COMBINATION METER - JUNCTION BLOCK) OK: Go to next step
  9. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - JUNCTION CONNECTOR) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F8-23 (SPD) - F93-37 Always Below 1 ohms F8-23 (SPD) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Junction Block) *2 Front view of wire harness connector (to Power Management Control ECU) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - JUNCTION BLOCK) OK --> REPLACE JUNCTION BLOCK
  10. GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-400834-S25744716402011051800000)
  11. GO TO METER / GAUGE SYSTEM (Speedometer Malfunction). Refer to «Speedometer Malfunction»(ref-400803-S37440936732011051800000)
  12. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  13. GO TO METER / GAUGE SYSTEM (Speed Signal Circuit). Refer to «Speed Signal Circuit»(ref-400803-S27595521952011051800000)
  14. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  1. CHECK CAN COMMUNICATION SYSTEM See step 1 NG --> See step 10 OK: Go to next step
  2. CHECK SPEEDOMETER OPERATION See step 2 NG --> See step 11 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  4. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
  5. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - POWER MANAGEMENT CONTROL ECU) See step 6 NG --> See step 8 OK: Go to next step
  6. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Power Source Control / Data List. Read the Data List according to the display on the Techstream. POWER SOURCE CONTROL Tester Display Measurement Item/Range Normal Condition Diagnostic Note Vehicle Speed Signal Vehicle speed signal/Stop or Run Stop: Vehicle stopped Run: Vehicle running - OK Stop (vehicle is stopped) and Run (vehicle is running) appear on the screen. NG --> See step 12 OK: Go to next step
  7. CHECK SPEED SIGNAL INPUT STATUS See step 7 NG --> See step 13 OK --> See step 14
  8. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - JUNCTION BLOCK) See step 8 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (COMBINATION METER - JUNCTION BLOCK) OK: Go to next step
  9. CHECK HARNESS AND CONNECTOR (UNCTION BLOCK - POWER MANAGEMENT CONTROL ECU) See step 9 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (JUNCTION BLOCK - POWER MANAGEMENT CONTROL ECU) OK --> REPLACE JUNCTION BLOCK
  10. GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-400834-S03841674552011051800000)
  11. GO TO METER / GAUGE SYSTEM (Speedometer Malfunction). Refer to «Speedometer Malfunction»(ref-400803-S36950416952011051800000)
  12. GO TO METER / GAUGE SYSTEM (Speedometer Malfunction). Refer to «Speedometer Malfunction»(ref-400803-S36950416952011051800000)
  13. GO TO METER / GAUGE SYSTEM (Speed Signal Circuit). Refer to «Speed Signal Circuit»(ref-400803-S06809283612011051800000)
  14. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S34409136982011051800000)
  1. CHECK CAN COMMUNICATION SYSTEM See step 1 NG --> See step 10 OK: Go to next step
  2. CHECK SPEEDOMETER OPERATION See step 2 NG --> See step 11 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  4. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
  5. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - POWER MANAGEMENT CONTROL ECU) See step 6 NG --> See step 8 OK: Go to next step
  6. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Power Source Control / Data List. Read the Data List according to the display on the Techstream. POWER SOURCE CONTROL Tester Display Measurement Item/Range Normal Condition Diagnostic Note Vehicle Speed Signal Vehicle speed signal/Stop or Run Stop: Vehicle stopped Run: Vehicle running - OK Stop (vehicle is stopped) and Run (vehicle is running) appear on the screen. NG --> See step 12 OK: Go to next step
  7. CHECK SPEED SIGNAL INPUT STATUS See step 7 NG --> See step 13 OK --> See step 14
  8. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - JUNCTION BLOCK) See step 8 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (COMBINATION METER - JUNCTION BLOCK) OK: Go to next step
  9. CHECK HARNESS AND CONNECTOR (UNCTION BLOCK - POWER MANAGEMENT CONTROL ECU) See step 9 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (JUNCTION BLOCK - POWER MANAGEMENT CONTROL ECU) OK --> REPLACE JUNCTION BLOCK
  10. GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-400834-S25744716402011051800000)
  11. GO TO METER / GAUGE SYSTEM (Speedometer Malfunction). Refer to «Speedometer Malfunction»(ref-400803-S37440936732011051800000)
  12. GO TO METER / GAUGE SYSTEM (Speedometer Malfunction). Refer to «Speedometer Malfunction»(ref-400803-S37440936732011051800000)
  13. GO TO METER / GAUGE SYSTEM (Speed Signal Circuit). Refer to «Speed Signal Circuit»(ref-400803-S27595521952011051800000)
  14. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  1. CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
  3. INSPECT STOP LIGHT SWITCH ASSEMBLY Remove the stop light switch assembly. Refer to «REMOVAL»(ref-400664-S02446165732011051800000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1 - 2 Pushed 10 kohms or higher 3 - 4 Pushed 10 kohms or higher 1 - 2 Not pushed Below 1 ohms 3 - 4 Not pushed Below 1 ohms TEXT IN ILLUSTRATION *1 Component without harness connected (Stop Light Switch Assembly) *2 Free *3 Pushed in NG --> See step 6 OK: Go to next step
  4. CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - POWER MANAGEMENT CONTROL ECU) Disconnect the F7 connector from the power management control ECU. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F7-11 (STP1) - A47-1 Always Below 1 ohms F7-11 (STP1) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Power Management Control ECU) *2 Front view of wire harness connector (to Stop Light Switch Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  5. READ VALUE USING TECHSTREAM (STOP LIGHT SWITCH ASSEMBLY) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Power Source Control / Data List. Read the Data List according to the display on the Techstream. POWER SOURCE CONTROL Tester Display Measurement Item/Range Normal Condition Specified Condition Stop Light Switch1 Stop light switch1/ON or OFF ON: Brake pedal depressed OFF: Brake pedal released - OK ON and OFF appear on the screen. NG --> See step 7 OK --> See step 8
  6. REPLACE STOP LIGHT SWITCH ASSEMBLY. Refer to «REMOVAL»(ref-400664-S02446165732011051800000)
  7. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  8. GO TO SFI SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400784-S04289408262011051800000)
  1. CHECK LIN COMMUNICATION SYSTEM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . Check if DTC B2287 is output. OK DTC B2287 is not output. NG --> See step 7 OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - NO. 1 JUNCTION) OK: Go to next step
  4. INSPECT STEERING LOCK ACTUATOR ASSEMBLY Reconnect the F8 connector to the power management control ECU. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F37-4 (SLP1) - Body ground Steering locked 10 kohms or higher F37-4 (SLP1) - Body ground Steering unlocked Below 1 ohms TEXT IN ILLUSTRATION *1 Component with harness connected (Steering Lock Actuator Assembly (Steering Lock ECU)) NG --> See step 8 OK: Go to next step
  5. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - STEERING LOCK ECU) Disconnect the F8 connector from the power management control ECU. Disconnect the F37 connector from the steering lock actuator assembly (steering lock ECU). Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F8-3 (SLP) - F37-4 (SLP1) Always Below 1 ohms F8-3 (SLP) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Power Management Control ECU) *2 Front view of wire harness connector (to Steering Lock Actuator Assembly (Steering Lock ECU)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - STEERING LOCK ECU) OK: Go to next step
  6. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Power Source Control / Data List. Read the Data List according to the display on the Techstream. POWER SOURCE CONTROL Tester Display Measurement Item/Range Normal Condition Specified Condition Steering Unlock Switch Steering lock condition/ON or OFF ON: Steering unlocked OFF Steering locked - OK ON (steering lock is unlocked) and OFF (steering lock is locked) appear on the screen. NG --> See step 9 OK --> See step 10
  7. GO TO LIN COMMUNICATION SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-400663-S04734094882011051800000)
  8. REPLACE STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU). Refer to «DISASSEMBLY - Step 1»(ref-400650-S34532062312011051800000)
  9. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  10. REPLACE STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU). Refer to «DISASSEMBLY - Step 1»(ref-400650-S34532062312011051800000)
  1. CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - ECM) Disconnect the A43 connector from the ECM. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F7-4 (NE) - A43-7 (NEO) Always Below 1 ohms F7-4 (NE) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Power Management Control ECU) *2 Front view of wire harness connector (to ECM) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - ECM) OK: Go to next step
  4. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Power Source Control / Data List. Read the Data List according to the value(s) in the Techstream. POWER SOURCE CONTROL Tester Display Measurement Item/Range Normal Condition Diagnostic Note Engine Condition Engine condition/Stop or Run Stop: Engine stopped Run: Engine running - OK Stop (engine is stopped) and Run (steering lock is locked) appear on the screen. NG --> GO TO SFI SYSTEM «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400784-S04289408262011051800000) OK: Go to next step
  5. CHECK POWER MANAGEMENT CONTROL ECU Reconnect the F7 connector to the power management control ECU. Reconnect the A43 connector to the ECM. Connect an F7-4 (NE) and body ground. Check for pulses according to the condition(s) in the table below. OK Tester Connection Condition Specified Condition F7-4 (NE) - Body ground Engine is stopped No pulse generated Engine is running Pulse generated (1000 rpm: 200 Hz) TEXT IN ILLUSTRATION *1 Component with harness connected (Power Management Control ECU) NG --> GO TO SFI SYSTEM «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400784-S04289408262011051800000) OK --> See step 6
  6. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  1. CHECK IF ENGINE STARTS Place the electrical key on the driver seat. Move the shift lever to P. Depress the brake pedal. Check that the engine switch indicator light is green. Then press the engine switch to check if the engine starts. OK Engine can be started. NG --> See step 2 OK --> END (ENGINE START PERMISSION CONDITIONS WERE NOT SATISFIED)
  2. CHECK FOR DTC Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / each ECU / Trouble Code. Check for DTCs. OK DTC is not output. NG --> GO TO DIAGNOSTIC TROUBLE CODE CHART «DIAGNOSTIC TROUBLE CODE CHART»(ref-400834-S03841674552011051800000) OK: Go to next step
  3. READ VALUE USING TECHSTREAM Enter the following menus: Body Electrical / Smart Access / Data List. Read the Data List according to the display on the Techstream. SMART ACCESS Tester Display Measurement Item/Range Normal Condition Diagnostic Note Power Supply Open Open in ECU/NG (Past) or OK NG (Past): Open in ECU OK: No malfunction - OK OK (No malfunction) appears on the screen. NG --> See step 23 OK: Go to next step
  4. CHECK POWER SOURCE CONDITION Check if the power source mode changes. When the key is inside the vehicle and the shift lever is in P, check that the power source mode changes. Result Result Proceed to OK: off --> on (ACC) --> on (IG) --> off A Power source mode does not change to on (IG and ACC) B Power source mode does not change to on (IG) C Power source mode does not change to on (ACC) D D --> See step 26 C --> See step 25 B --> See step 24 A: Go to next step
  5. CHECK CRANKING FUNCTION Check the engine cranking function. When there is fuel in the fuel tank, the key is inside the vehicle, and the shift lever is in P, check that depressing the brake pedal and pressing the engine switch cranks the engine. OK Engine cranks. NG --> See step 6 OK --> See step 27
  6. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY Disconnect the D8 connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition D8-4 (B) - D8-9 (L) Shift lever in P or N Below 1 ohms D8-4 (B) - D8-9 (L) Shift lever not in P or N 10 kohms or higher TEXT IN ILLUSTRATION *1 Components without harness connected (Park/Neutral Position Switch) NG --> See step 20 OK: Go to next step
  7. INSPECT STARTER RELAY ASSEMBLY Remove the ST relay from the engine room relay block assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 3 - 5 Battery voltage not applied to terminals 1 and 2 10 kohms or higher 3 - 5 Battery voltage applied to terminals 1 and 2 Below 1 ohms NG --> See step 20 OK: Go to next step
  8. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) Disconnect the F7 connector from the power management control ECU. The shift lever is in P or N. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F7-3 (STAR) - Body ground Always 93.8 to 136.4 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Power Management Control ECU) NG --> See step 20 OK: Go to next step
  9. READ VALUE USING TECHSTREAM (STOP LIGHT SWITCH ASSEMBLY) Enter the following menus: Body Electrical / Power Source Control / Data List. Read the Data List according to the display on the Techstream. POWER SOURCE CONTROL Tester Display Measurement Item/Range Normal Condition Diagnostic Note Stop Light Switch1 Stop light switch 1/ON or OFF ON: Brake pedal depressed OFF: Brake pedal released - OK ON (brake pedal depressed) and OFF (brake pedal released) appear on the screen. NG --> See step 16 OK: Go to next step
  10. READ VALUE USING TECHSTREAM (STEERING UNLOCK SWITCH) Enter the following menus: Body Electrical / Power Source Control / Date List. Read the Data List according to the display on the Techstream. POWER SOURCE CONTROL Tester Display Measurement Item/Range Normal Condition Diagnostic Note Steering Unlock Switch Steering unlock condition/ON or OFF ON: Steering is unlocked OFF: Steering is locked - OK ON (steering is unlocked) and OFF (steering is unlocked) appear on the screen. NG --> See step 18 OK: Go to next step
  11. CHECK STEERING LOCK Turn the engine switch from off to on (ACC) and check that the steering lock moves to the unlocked position when the engine switch is on (ACC). OK Lock moves to unlocked position. NG --> See step 28 OK: Go to next step
  12. READ VALUE USING TECHSTREAM (L CODE) Enter the following menus: Body Electrical / Smart Access / Data List. Read the Data List according to the display on the Techstream. SMART ACCESS Tester Display Measurement Item/Range Normal Condition Diagnostic Note L Code Check L code certification result/OK or NG OK: L code certification result normal NG: L code certification result abnormal - OK OK appears on the screen. NG --> See step 29 OK: Go to next step
  13. READ VALUE USING TECHSTREAM (ENGINE START REQUEST) Enter the following menus: Body Electrical / Smart Access / Data List. Read the Data List according to the display on the Techstream. SMART ACCESS Tester Display Measurement Item/Range Normal Condition Diagnostic Note Engine Start Request Start request signal response/OK or NG OK: Start request condition signal received NG: Start request condition signal not received - OK OK appears on the screen. NG --> See step 30 OK: Go to next step
  14. READ VALUE USING TECHSTREAM (S CODE) Enter the following menus: Body Electrical / Smart Access / Data List. Read the Data List according to the display on the Techstream. SMART ACCESS Tester Display Measurement Item/Range Normal Condition Diagnostic Note S Code Check S code certification result/OK or NG OK: S code certification result normal NG: S code certification result abnormal - OK OK (S code certification result normal) appears on the screen. NG --> See step 31 OK: Go to next step
  15. READ VALUE USING TECHSTREAM (STARTER REQUEST SIGNAL) Enter the following menu: Body Electrical / Power Source Control / Data List. Read the Data List according to the value(s) in the table below. POWER SOURCE CONTROL Tester Display Measurement Item/Range Normal Condition Specified Condition Starter Request Signal Starter request signal monitor/ON or OFF ON: ST relay is ON OFF: ST relay is OFF Engine switch pressed and held with shift lever in P or N OK ON (ST relay on) and OFF (ST relay off) appear on the screen. NG --> See step 32 OK --> See step 33
  16. INSPECT STOP LIGHT SWITCH ASSEMBLY See step 3 NG --> See step 34 OK: Go to next step
  17. CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - POWER MANAGEMENT CONTROL ECU) Disconnect the F7 connector from the power management control ECU. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F7-11 (STP1) - A47-1 Always Below 1 ohms F7-11 (STP1) - Body ground Always 10 kohms or higher Reconnect the F7 connector to the power management control ECU. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition F7-11 (STP1) - Body ground Brake pedal released Below 1 V F7-11 (STP1) - Body ground Brake pedal depressed Output voltage at terminal AM21 or AM22 -2.5 V or more TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Power Management Control ECU) *2 Front view of wire harness connector (to Stop Light Switch Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 35
  18. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - STEERING LOCK ECU) See step 5 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  19. INSPECT STEERING LOCK ACTUATOR ASSEMBLY Reconnect the F37 connector to the steering lock actuator assembly (steering lock ECU). Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F37-4 (SLP1) - Body ground Steering locked 10 kohms or higher F37-4 (SLP1) - Body ground Steering unlocked Below 1 ohms TEXT IN ILLUSTRATION *1 Component with harness connected (Steering Lock Actuator Assembly (Steering Lock ECU)) NG --> See step 36 OK --> See step 37
  20. REPAIR OR REPLACE HARNESS OR CONNECTOR OR ST RELAY OR PARK/NEUTRAL POSITION SWITCH Replace with a new or normally functioning part. Repair or replace any damaged wire harness or connector. NEXT: Go to next step
  21. READ VALUE USING TECHSTREAM (STARTER REQUEST SIGNAL) Enter the following menus: Body Electrical / Power Source Control / Data List. Read the Data List according to the display on the Techstream. POWER SOURCE CONTROL Tester Display Measurement Item/Range Normal Condition Diagnostic Note Starter Request Signal Starter request signal monitor/ON or OFF ON: ST relay is on OFF: ST relay is off - NOTE: Check that the engine switch indicator is illuminated in green and push the engine switch. OK ON (ST relay on) and OFF (ST relay off) appear on the screen. NG --> See step 38 OK: Go to next step
  22. CHECK IF ENGINE STARTS Place the electrical key on the driver seat. Move the shift lever to P. Depress the brake pedal. Check that the engine switch indicator light is green. Then press the engine switch to check if the engine starts. OK Engine can be started. NG --> CHECK HARNESS AND CONNECTOR (MALFUNCTION IN RELAY CONTACT SIDE CIRCUIT) OK --> END
  23. GO TO STEERING LOCK SYSTEM. Refer to «DTC B2782: Power Source Control ECU Malfunction»(ref-400877-S09209627292011051800000)
  24. GO TO OTHER FLOW CHART (Power Source Mode does not Change to ON (IG and ACC)). Refer to «Power Source Mode does not Change to ON (IG and ACC)»(ref-400943-S18934653352011051800000)
  25. GO TO OTHER FLOW CHART (Power Source Mode does not Change to ON (IG)). Refer to «Power Source Mode does not Change to ON (IG)»(ref-400943-S23187128922011051800000)
  26. GO TO OTHER FLOW CHART (Power Source Mode does not Change to ON (ACC)). Refer to «Power Source Mode does not Change to ON (ACC)»(ref-400943-S20440581502011051800000)
  27. GO TO SFI SYSTEM. Refer to «PROBLEM SYMPTOMS TABLE»(ref-400784-S06449390312011051800000)
  28. GO TO STEERING LOCK SYSTEM. Refer to «PROBLEM SYMPTOMS TABLE»(ref-400876-S37085558642011051800000)
  29. GO TO ENGINE IMMOBILISER SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400786-S31219180042011051800000)
  30. REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to «REMOVAL»(ref-400879-S24695669682011051800000)
  31. GO TO ENGINE IMMOBILISER SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400786-S31219180042011051800000)
  32. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  33. GO TO SFI SYSTEM. Refer to «PROBLEM SYMPTOMS TABLE»(ref-400784-S06449390312011051800000)
  34. REPLACE STOP LIGHT SWITCH ASSEMBLY. Refer to «REMOVAL»(ref-400664-S02446165732011051800000)
  35. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  36. REPLACE STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU). Refer to «DISASSEMBLY - Step 1»(ref-400650-S34532062312011051800000)
  37. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  38. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  1. CHECK DTC Connect the Techstream to the DLC3. Turn the Techstream on. Turn on and off any of the door courtesy light switches repeatedly at 1.5-second intervals or less until communication between the Techstream and vehicle starts. Enter the following menus: Body Electrical / All ECUs / Health Check. Clear the DTC. Check for DTCs again. OK DTCs are not output. NG --> GO TO DIAGNOSTIC TROUBLE CODE CHART «DIAGNOSTIC TROUBLE CODE CHART»(ref-400834-S03841674552011051800000) OK: Go to next step
  2. CHECK SMART ACCESS SYSTEM WITH PUSH-BUTTON START Remove the battery of the electrical key transmitter. Refer to «REMOVAL»(ref-400923-S21443914532011051800000) . Touch the logo side mark of the key or card key to the engine switch. Check that the engine switch can be turned on (IG). OK Power source mode can be changed. NG --> See step 8 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  4. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
  5. READ VALUE USING TECHSTREAM Reconnect the F8 connector to the power management control ECU. Enter the following menus: Body Electrical / Power Source Control / Data List. Read the Data List according to the display on the Techstream. POWER SOURCE CONTROL Tester Display Measurement Item/Range Normal Condition Diagnostic Note Start Switch1 Start switch 1/ON or OFF ON: Engine switch pushed OFF: Engine switch not pushed - Start Switch2 Start switch 2/ON or OFF ON: Engine switch pushed OFF: Engine switch not pushed - OK ON (engine switch is pushed) and OFF (engine switch is not pushed) appear on the screen. NG --> See step 6 OK --> See step 9
  6. INSPECT ENGINE SWITCH Remove the engine switch. Refer to «REMOVAL»(ref-400787-S41992221332011051800000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 7 (SS1) - 5 (GND) Pushed Below 1 ohms 2 (SS2) - 5 (GND) Pushed Below 1 ohms 7 (SS1) - 5 (GND) Not pushed 10 kohms or higher 2 (SS2) - 5 (GND) Not pushed 10 kohms or higher TEXT IN ILLUSTRATION *1 Component without harness connected (Engine Switch) NG --> See step 10 OK: Go to next step
  7. CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - POWER MANAGEMENT CONTROL ECU AND BODY GROUND) Disconnect the F8 connector from the power management control ECU. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F22-7 (SS1) - F8-18 (SSW1) Always Below 1 ohms F22-7 (SS1) - Body ground Always 10 kohms or higher F22-2 (SS2) - F8-17 (SSW2) Always Below 1 ohms F22-2 (SS2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Engine Switch) *2 Front view of wire harness connector (to Power Management Control ECU) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (ENGINE SWITCH - POWER MANAGEMENT CONTROL ECU OR BODY GROUND) OK --> See step 11
  8. GO TO OTHER FLOW CHART (ROOM OSCILLATOR DOES NOT RECOGNIZE KEY). Refer to «Room Oscillator does not Recognize Key»(ref-400940-S09255559532011051800000)
  9. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  10. REPLACE ENGINE SWITCH. Refer to «REMOVAL»(ref-400787-S41992221332011051800000)
  11. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  1. CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
  3. INSPECT IG1 RELAY See step 3 NG --> REPLACE IG1 RELAY OK: Go to next step
  4. INSPECT IG2 RELAY See step 5 NG --> REPLACE IG2 RELAY OK: Go to next step
  5. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (IN NO. 1, IG NO. 2, AND IG NO. 3 RELAY) See step 5 NG --> See step 12 OK: Go to next step
  6. CHECK HARNESS AND CONNECTOR See step 6 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  7. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) See step 7 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) OK: Go to next step
  8. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - IG1 RELAY) See step 8 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - IG1 RELAY) OK: Go to next step
  9. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - IG2 RELAY) See step 9 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - IG2 RELAY) OK: Go to next step
  10. CHECK HARNESS AND CONNECTOR (ENGINE ROOM RELAY BLOCK ASSEMBLY - BODY GROUND) See step 10 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (ENGINE ROOM RELAY BLOCK ASSEMBLY - BODY GROUND) OK: Go to next step
  11. CHECK POWER MANAGEMENT CONTROL ECU See step 11 NG --> See step 13 OK --> See step 14
  12. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL - Step 2»(ref-400866-S18953389482011051800000)
  13. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S34409136982011051800000)
  14. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S11887826212011051800000)
  1. CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
  3. INSPECT IG1 RELAY See step 3 NG --> REPLACE IG1 RELAY OK: Go to next step
  4. INSPECT IG2 RELAY See step 4 NG --> REPLACE IG2 RELAY OK: Go to next step
  5. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (IN NO. 1, IG NO. 2, AND IG NO. 3 RELAY) See step 5 NG --> See step 12 OK: Go to next step
  6. CHECK HARNESS AND CONNECTOR See step 6 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  7. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) See step 7 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) OK: Go to next step
  8. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - IG1 RELAY) See step 8 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - IG1 RELAY) OK: Go to next step
  9. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - IG2 RELAY) See step 9 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - IG2 RELAY) OK: Go to next step
  10. CHECK HARNESS AND CONNECTOR (ENGINE ROOM RELAY BLOCK ASSEMBLY - BODY GROUND) See step 10 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (ENGINE ROOM RELAY BLOCK ASSEMBLY - BODY GROUND) OK: Go to next step
  11. CHECK POWER MANAGEMENT CONTROL ECU See step 11 NG --> See step 13 OK --> See step 14
  12. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000)
  13. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  14. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S16126263452011051800000)
  1. CHECK HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  2. CHECK HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
  3. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY See step 3 NG --> See step 7 OK: Go to next step
  4. CHECK HARNESS AND CONNECTOR See step 4 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  5. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) See step 5 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) OK: Go to next step
  6. INSPECT POWER MANAGEMENT CONTROL ECU See step 6 NG --> See step 8 OK --> See step 9
  7. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL - Step 2»(ref-400866-S18953389482011051800000)
  8. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S34409136982011051800000)
  9. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S11887826212011051800000)
  1. CHECK HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  2. CHECK HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
  3. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY See step 3 NG --> See step 7 OK: Go to next step
  4. CHECK HARNESS AND CONNECTOR See step 4 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  5. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) See step 5 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) OK: Go to next step
  6. INSPECT POWER MANAGEMENT CONTROL ECU See step 6 NG --> See step 8 OK --> See step 9
  7. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000)
  8. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  9. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S16126263452011051800000)

More articles — Smart Access System (Keyless Start) (Diagnostic Codes & Symptom Tests)