RM3090E _57 Power Source / Network _008434 NETWORKING _0047063 LIN COMMUNICATION SYSTEM U

NETWORKING  LIN COMMUNICATION SYSTEM  TERMINALS OF ECU  


CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)


a.

Remove the main body ECU (multiplex network body ECU).

for LHD:

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU(for LHD)>REMOVAL

for RHD:

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU(for RHD)>REMOVAL


B332798C17
1.76,3.042 2.167,3.26 0.406,0.219 5.438,3.042 5.844,3.26 0.406,0.219 1.76,4.594 2.167,4.813 0.406,0.219 5.49,4.594 5.896,4.813 0.406,0.219 1.427,6.292 1.833,6.51 0.406,0.219 5.042,6.292 5.448,6.51 0.406,0.219 3.281,7.938 3.688,8.156 0.406,0.219 3.688,1.427 4.031,1.427 false 3.219,1.427 3.563,1.427 false 3.604,0.698 3.604,0.417 3.604,0.417 3.792,0.417 false 5.146,1.104 5.146,0.271 5.146,0.271 5.344,0.271 false 0.177,0.146 0.49,0.406 0.313,0.26 12 *A 0.719,1.885 1.031,2.083 0.313,0.198 10 3A 1.448,0.823 1.76,1.021 0.313,0.198 10 3C 1.104,0.823 1.417,1.021 0.313,0.198 10 3E 0.771,0.823 1.083,1.021 0.313,0.198 10 3B 1.813,0.823 2.125,1.021 0.313,0.198 10 3D 4.073,1.344 4.417,1.583 0.344,0.24 10 G78 3.063,1.344 3.292,1.552 0.229,0.208 10 *a 3.854,0.333 4.083,0.542 0.229,0.208 10 *1 5.406,0.188 5.74,0.396 0.333,0.208 10 A 1.844,3.073 2.188,3.313 0.344,0.24 10 G78 5.552,3.073 5.896,3.313 0.344,0.24 10 3A 1.875,4.625 2.219,4.865 0.344,0.24 10 3B 5.615,4.625 5.958,4.865 0.344,0.24 10 3E 1.552,6.323 1.896,6.563 0.344,0.24 10 3C 5.167,6.323 5.51,6.563 0.344,0.24 10 3D 3.427,7.969 3.771,8.208 0.344,0.24 10 A
*A Main Body ECU (Multiplex Network Body ECU) with 1 Connector - -
*1 Main Body ECU (Multiplex Network Body ECU) - -
*a 1 Connector - -


B332799C16
1.229,3.021 1.594,3.26 0.365,0.24 4.177,3.031 4.542,3.271 0.365,0.24 6.375,3.021 6.74,3.26 0.365,0.24 1.708,4.573 2.073,4.813 0.365,0.24 5.531,4.583 5.896,4.823 0.365,0.24 1.458,6.26 1.823,6.5 0.365,0.24 5.135,6.26 5.5,6.5 0.365,0.24 3.333,7.917 3.698,8.156 0.365,0.24 3.625,0.698 3.625,0.292 3.625,0.292 3.802,0.292 false 5.146,1.094 5.146,0.292 5.146,0.292 5.323,0.292 false 3.281,2.469 3.281,1.198 3.281,1.198 3.552,1.198 false 3.281,1.667 3.552,1.667 false 3.281,2.115 3.552,2.115 false 3.677,1.667 3.948,1.667 false 3.677,2.115 3.948,2.115 false 0.208,0.208 0.542,0.479 0.333,0.271 12 *A 3.844,0.208 4.063,0.406 0.219,0.198 10 *1 5.375,0.208 5.781,0.427 0.406,0.219 10 A 3.219,2.521 3.438,2.719 0.219,0.198 10 *a 0.719,1.885 0.938,2.083 0.219,0.198 10 3A 1.115,0.854 1.333,1.052 0.219,0.198 10 3E 0.771,0.854 0.99,1.052 0.219,0.198 10 3B 1.458,0.854 1.677,1.052 0.219,0.198 10 3C 1.823,0.854 2.042,1.052 0.219,0.198 10 3D 4.01,1.583 4.365,1.813 0.354,0.229 10 G78 4.01,2.042 4.594,2.375 0.583,0.333 10 G79 1.26,3.063 1.75,3.406 0.49,0.344 10 G79 4.24,3.073 4.583,3.365 0.344,0.292 10 G78 6.479,3.063 6.823,3.354 0.344,0.292 10 3A 1.813,4.615 2.156,4.906 0.344,0.292 10 3B 5.635,4.625 5.979,4.917 0.344,0.292 10 3E 1.563,6.302 1.906,6.594 0.344,0.292 10 3C 5.229,6.302 5.573,6.594 0.344,0.292 10 3D 3.448,7.958 3.792,8.25 0.344,0.292 10 A
*A Main Body ECU (Multiplex Network Body ECU) with 3 Connectors - -
*1 Main Body ECU (Multiplex Network Body ECU) - -
*a 3 Connectors - -



b.

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

HINT:

Measure the values on the wire harness side with the connectors disconnected.


Tester Connection Wiring Color Terminal Description Condition Specified Condition
A-11 (GND1) - Body ground - Ground Always Below 1 Ω
A-30 (BECU) - Body ground - Battery power supply Always 11 to 14 V
A-29 (ACC) - Body ground - ACC power supply Ignition switch ACC 11 to 14 V
A-29 (ACC) - Body ground - ACC power supply Ignition switch off Below 1 V
A-32 (IG) - Body ground - IG power supply Ignition switch ON 11 to 14 V
A-32 (IG) - Body ground - IG power supply Ignition switch off Below 1 V

If the result is not as specified, there may be a malfunction in the wire harness.



CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (for LHD, w/ Jam Protection Function)


B290829E10
1.458,0.323 1.854,0.583 0.396,0.26 1.583,0.365 1.802,0.542 0.219,0.177 10 J3

a.

Disconnect the J3 front power window regulator motor assembly LH connector.


b.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
J3-2 (B) - Body ground GR - Body ground Battery power supply Always 11 to 14 V
J3-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω



CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (for RHD, w/ Jam Protection Function)


B290829E11
1.49,0.365 1.823,0.604 0.333,0.24 1.604,0.406 1.76,0.583 0.156,0.177 10 I3

a.

Disconnect the I3 front power window regulator motor assembly RH connector.


b.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
I3-2 (B) - Body ground GR - Body ground Battery power supply Always 11 to 14 V
I3-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω



CHECK SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (w/ Sliding Roof System)


B298418E03
1.531,0.344 1.938,0.573 0.406,0.229 1.646,0.375 1.958,0.573 0.313,0.198 10 Q8

a.

Disconnect the Q8 sliding roof drive gear sub-assembly connector.


b.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
Q8-8 (B) - Body ground L - Body ground Battery power supply Always 11 to 14 V
Q8-12 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω



CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) [w/ Entry and Start System]


B298420E01
1.896,0.208 2.281,0.469 0.385,0.26 3.281,0.208 3.656,0.469 0.375,0.26 4.813,0.219 5.188,0.458 0.375,0.24 1.958,0.26 2.323,0.448 0.365,0.188 10 G82 3.344,0.25 3.677,0.438 0.333,0.188 10 G83 4.865,0.26 5.198,0.448 0.333,0.188 10 G84

a.

Disconnect the G82 certification ECU connector.


b.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
G82-2 (+B) - Body ground W - Body ground Battery power supply Always 11 to 14 V
G82-11 (E) - Body ground BR - Body ground Ground Always Below 1 Ω



CHECK ID CODE BOX (IMMOBILISER CODE BOX) [w/ Entry and Start System, w/ Multi-information Display (Dot Display Type)]


B339129E01
3.24,0.198 3.677,0.427 0.438,0.229 3.323,0.229 3.781,0.427 0.458,0.198 10 G44

a.

Disconnect the G44 ID code box connector.


b.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
G44-1 (+B) - Body ground BE - Body ground Battery power supply Always 11 to 14 V
G44-5 (GND) - Body ground B - Body ground Ground Always Below 1 Ω



CHECK STEERING LOCK ACTUATOR ASSEMBLY (w/ Entry and Start System)


B339131E01
1.438,0.375 1.854,0.583 0.417,0.208 1.552,0.396 1.865,0.594 0.313,0.198 10 G5

a.

Disconnect the G5 steering lock actuator assembly connector.


b.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
G5-7 (B) - Body ground L - Body ground Battery power supply Always 11 to 14 V
G5-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω



CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (w/ Automatic Air Conditioning System)


B339133E01
2.906,0.198 3.313,0.427 0.406,0.229 5.104,0.219 5.448,0.427 0.344,0.208 2.979,0.219 3.438,0.417 0.458,0.198 10 G81 5.208,0.229 5.521,0.427 0.313,0.198 10 z7

a.

Disconnect the G81 air conditioning amplifier assembly connector.


b.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
G81-1 (IG+) - Body ground GR - Body ground IG power supply Ignition switch off Below 1 V
G81-1 (IG+) - Body ground GR - Body ground IG power supply Ignition switch ON 11 to 14 V
G81-21 (B) - Body ground GR - Body ground Battery power supply Always 11 to 14 V
G81-14 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω



CHECK AIR CONDITIONING CONTROL ASSEMBLY


B339135E01
1.521,0.281 1.927,0.531 0.406,0.25 1.594,0.323 2.052,0.521 0.458,0.198 10 G20

a.

Disconnect the G20 air conditioning control assembly connector.


b.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
G20-8 (IG+) - Body ground BE - Body ground IG power supply Ignition switch ON 11 to 14 V
G20-8 (IG+) - Body ground BE - Body ground IG power supply Ignition switch off Below 1 V
G20-5 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω



CHECK RAIN SENSOR (w/ Rain Sensor)


B298417C01
1.542,0.188 1.917,0.396 0.375,0.208 1.552,0.479 1.917,0.677 0.365,0.198 1.635,0.208 1.948,0.406 0.313,0.198 10 Q5 1.958,0.198 2.271,0.396 0.313,0.198 10 *1 1.958,0.49 2.271,0.688 0.313,0.198 10 *2 1.625,0.5 2.083,0.698 0.458,0.198 10 Q10
*1 for LHD
*2 for RHD


a.

Disconnect the Q5*1 or Q10*2 rain sensor connector.

*1: for LHD

*2: for RHD


b.

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

for LHD
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
Q5-4 (SIG) - Body ground GR - Body ground IG power supply Ignition switch ON 11 to 14 V
Q5-4 (SIG) - Body ground GR - Body ground IG power supply Ignition switch off Below 1 V
Q5-2 (ES) - Body ground W-B - Body ground Ground circuit Always Below 1 Ω

for RHD
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
Q10-4 (SIG) - Body ground GR - Body ground IG power supply Ignition switch ON 11 to 14 V
Q10-4 (SIG) - Body ground GR - Body ground IG power supply Ignition switch off Below 1 V
Q10-2 (ES) - Body ground W-B - Body ground Ground Always Below 1 Ω



CHECK WINDSHIELD WIPER RELAY ASSEMBLY (w/ Rain Sensor)


B339142E01
1.479,0.427 1.896,0.667 0.417,0.24 1.552,0.458 2.01,0.656 0.458,0.198 10 G85

a.

Disconnect the G85 windshield wiper relay assembly connector.


b.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
G85-2 (IG) - Body ground L - Body ground Battery power supply Ignition switch ON 11 to 14 V
G85-2 (IG) - Body ground L - Body ground Battery power supply Ignition switch off Below 1 V
G85-12 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω



CHECK DOUBLE LOCK DOOR CONTROL RELAY ASSEMBLY (w/Double Locking System)


B339143E01
1.531,0.24 1.948,0.5 0.417,0.26 1.594,0.281 2.052,0.479 0.458,0.198 10 G66

a.

Disconnect the G66 double lock door control relay connector.


b.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
G66-7 (CPUB) - Body ground BR - Body ground Battery power supply Always 11 to 14 V
G66-1 (+B) - Body ground G - Body ground Battery power supply Always 11 to 14 V
G66-14 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω