S11. Disconnect the S11 ECU connector. Measure the resistance and voltage of each terminal of the wire harness side connector.
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1 TERMINALS OF ECU 1. CHECK SMART ECU 05J6G01 S11 Disconnect the S11 ECU connector. Measure the resistance and voltage of each terminal of the wire harness side connector. +B1 (S111) R +B power supply IG (S1118) Power switch OFF B Ignition power supply (IG) WB Ground TSW1 (S115) Outside door handle LH Lock switch OFF B lock switch TSW2 (S116) Outside door handle RH Lock switch OFF R lock switch TSW6 (S118) CNSL (S1125) B WB Back door lock switch Smart entry system cancel switch Back door lock switch Cancel switch OFF (c) Reconnect the S11 ECU connector. (d) Measure the voltage and frequency of each terminal of the connector. B79798 CLG1 (S1113) CLG2 (S1114) CLG5 (S1136) CLG7 (S1138) CLG8 (S1139) P WB R WB G WB BR WB O WB Driver door oscillator sensor Passenger door oscillator sensor Room oscillator sensor Luggage oscillator inner sensor Luggage oscillator outer sensor All doors locked by wireless operation from outside vehicle and power switch (IG) All doors locked by wireless operation from outside vehicle and power switch (IG) 30 seconds after driver side door opened and closed, power switch OFF (IG) 30 seconds after driver side door opened and closed, power switch (IG) Back door opener switch 2339
2 DIAGNOSTICS Symbols ( No.) SEL1 (S1123) SEL2 (S1124) SEN1 (S1121) SEN2 (S1122) RDA3 (S1129) PRG (S1128) RCO (S1112) RSSI (S1111) RDA (S1110) KSW (S114) Wiring Color Y WB B WB R WB W WB L WB B WB L WB V WB GR WB Y WB Description Sensor detection Sensor detection Lock switch detection Lock switch detection Power source Key unlock warning switch input If the result is not as specified, the ECU may have a malfunction. Smart key at least 3 m away from door near outside door handle LH Smart key at least 3 m away from door near outside door handle RH Outside door handle LH touched not touched Outside door handle RH touched not touched smart key and doors Power switch OFF, all doors closed and smart key switch closed, turn smart key switch No key in key slot Specified 0 to 5 V 5 V 0 to 5 V Below 1 V 2340
3 CHECK INSTRUMENT PANEL J/B ASSY (MULTIPLEX NETWORK BODY ECU) Vehicle Rear Side Vehicle Front Side 1A 1E B7 1B Multiplex Network Body ECU 1A 1E 1B B7 B79799 Disconnect the 1A, 1B and 1E J/B connectors. Measure the voltage and resistance between each terminal of the wire harness side connector and body ground. ECUB (1A30) R +B (ECUB) power supply ALTB (1B1) GND (1E17) W +B (power system, generator system) power supply WB Ground 2341
4 DIAGNOSTICS (c) Reconnect the 1A, 1B and 1E J/B ECU connectors. (d) Measure the voltage between each terminal of the connectors. PRG (B724) GND (1E17) RDA (B723) GND (1E17) B WB L WB If the result is not as specified, the body ECU may have a malfunction. 3. CHECK TRANSPDER KEY ECU 0 to 5 V T5 B76120 Disconnect the T5 ECU connector. Measure the resistance and voltage of each terminal of the wire harness side connector. CPUB (T53) GND (T522) L WB Battery IG (T54) GND (T522) O WB Power switch (IG) Power switch (IG) CUWS (T55) GND (T522) B WB Unlock warning switch AGND (T57) GND (T522) P WB Ground GND (T522) WB Ground (c) Reconnect the T5 ECU connector. (d) Measure the voltage of each terminal of the connector. CUWS (T55) GND (T522) B WB Unlock warning switch Below 1 V VC5 (T520) GND (T522) Y WB Power source 4.6 to 5.4 V CODE (T521) AGND (T57) L P Transponder key amplifier communication (see waveform 1) TXCT (T56) AGND (T57) LG P Transponder key amplifier communication (see waveform 2) HEV0 (T519) GND (T522) W WB Hybrid vehicle control ECU output (see waveform 3) HEV1 (T518) GND (T522) R WB Hybrid vehicle control ECU input (see waveform 4) 2342
5 If the result is not as specified, the ECU may have a malfunction. (e) Inspect using an oscilloscope. Waveform 1 (Reference): TXCT GND 2./DIV., 10 ms/div. B51052 Waveform 2 (Reference): CODE GND 2./DIV., 20 ms/div. B51053 Waveform 3 (Reference): HEV0 GND 1/DIV., 100 ms/div. B51050 Waveform 4 (Reference): HEV1 GND 1/DIV., 100 ms/div. B
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