RM38N0EC _59 Vehicle Exterior _111845 SLIDING ROOF / CONVERTIBLE _0505691 PANORAMIC FIXED MOONROOF WITH ONE-TOUCH FROSTED GLASS CONTROL SYSTEM U

SLIDING ROOF / CONVERTIBLE PANORAMIC FIXED MOONROOF WITH ONE-TOUCH FROSTED GLASS CONTROL SYSTEM TERMINALS OF ECU

CHECK ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) (for LONG TYPE PANORAMIC FIXED MOONROOF)

3.354,0.104 3.781,0.333 0.427,0.229 3.458,0.135 3.771,0.333 0.313,0.198 10 false Q2

Disconnect the Q2 roof sunshade ECU (sliding roof drive gear sub-assembly) connector.

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

HINT:: Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
Q2-10 (B) - Q2-5 (E)	Auxiliary battery power supply	Ignition switch off1 Always2	11 to 14 V
Q2-5 (E) - Body ground	Ground	Always	Below 1 Ω

*1: for HV Model

*2: for Gasoline Model

Reconnect the Q2 roof sunshade ECU (sliding roof drive gear sub-assembly) connector.

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

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
Q2-6 (OPN) - Q2-5 (E)	Roof sunshade operation signal (open)	Ignition switch ON, OPEN switch on	Below 1 V
Q2-6 (OPN) - Q2-5 (E)	Roof sunshade operation signal (open)	Ignition switch ON, OPEN switch off	11 to 14 V
Q2-1 (CLS) - Q2-5 (E)	Roof sunshade operation signal (close)	Ignition switch ON, CLOSE switch on	Below 1 V
Q2-1 (CLS) - Q2-5 (E)	Roof sunshade operation signal (close)	Ignition switch ON, CLOSE switch off	11 to 14 V

CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

3.396,3.25 3.781,3.479 0.385,0.229 1.521,4.5 1.906,4.729 0.385,0.229 3.875,4.5 4.26,4.729 0.385,0.229 5.698,4.5 6.083,4.729 0.385,0.229 1.146,6.104 1.531,6.333 0.385,0.229 2.938,6.104 3.323,6.333 0.385,0.229 4.25,6.104 4.635,6.333 0.385,0.229 3.438,7.781 3.823,8.01 0.385,0.229 1.24,3.24 1.625,3.469 0.385,0.229 5.26,6.104 5.646,6.333 0.385,0.229 6.26,6.104 6.646,6.333 0.385,0.229 5.458,3.25 5.844,3.479 0.385,0.229 1.958,1.229 2.26,1.229 false 4.26,0.813 4.26,0.26 4.26,0.26 4.438,0.26 false 1.958,1.552 2.26,1.552 false 1.958,1.875 2.26,1.875 false 0.969,1.885 1.281,2.083 0.313,0.198 10 false 4H 1.167,2.385 1.479,2.583 0.313,0.198 10 false 4F 0.979,1.083 1.292,1.281 0.313,0.198 10 false 4E 0.979,1.594 1.292,1.792 0.313,0.198 10 false 4D 6.052,2.094 6.365,2.292 0.313,0.198 10 false 4A 2.333,1.49 2.792,1.688 0.458,0.198 10 false E36 2.333,1.813 2.792,2.01 0.458,0.198 10 false E37 4.5,0.198 4.885,0.385 0.385,0.188 10 false MB 1.333,3.292 1.802,3.5 0.469,0.208 10 false E37 3.49,3.292 3.948,3.49 0.458,0.198 10 false E36 3.052,6.146 3.51,6.344 0.458,0.198 10 false 4D 5.813,4.542 6.271,4.74 0.458,0.198 10 false 4A 3.542,7.813 4,8.01 0.458,0.198 10 false MB 6.031,1.729 6.344,1.927 0.313,0.198 10 false 4B 6.031,1.146 6.344,1.344 0.313,0.198 10 false 4C 0.969,2.146 1.281,2.344 0.313,0.198 10 false 4G 3.979,4.552 4.292,4.75 0.313,0.198 10 false 4B 1.635,4.542 1.948,4.74 0.313,0.198 10 false 4C 1.26,6.135 1.573,6.333 0.313,0.198 10 false 4E 4.365,6.146 4.677,6.344 0.313,0.198 10 false 4H 5.354,6.146 5.667,6.344 0.313,0.198 10 false 4G 6.375,6.146 6.688,6.344 0.313,0.198 10 false 4F 5.542,3.302 6,3.5 0.458,0.198 10 false E38 2.323,1.156 2.781,1.354 0.458,0.198 10 false E38

Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly.

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL202111,202203,_57,_111828,_0500082,RM100000001Z1A6,202203,202303,_57,_111828,_0500082,RM1000000022I31,202303,202406,_57,_111828,_0500082,RM100000002B19F,202406,999999,_57,_111828,_0500082,RM100000002MQ55,

Reconnect the power distribution box assembly connectors.

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

Tester Connection	Terminal Description	Condition	Specified Condition
MB-26 (BECU) - Body ground	Auxiliary battery power supply	Ignition switch off1 Always2	11 to 14 V
MB-27 (IGR) - Body ground	Ignition power supply	Ignition switch ON	11 to 14 V
MB-27 (IGR) - Body ground	Ignition power supply	Ignition switch off	Below 1 V
MB-13 (GND1) - Body ground	Ground	Always	Below 1 Ω

*1: for HV Model

*2: for Gasoline Model

Install the main body ECU (multiplex network body ECU) to power distribution box assembly.

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>INSTALLATION202111,999999,_57,_111828,_0500082,RM100000001Z1A4,

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

Tester Connection	Terminal Description	Condition	Specified Condition
E36-3 (LSD1) - Body ground	Output from dimmable panoramic roof glass relay	Ignition switch ON, dimmable panoramic roof glass switch off	11 to 14 V
E36-3 (LSD1) - Body ground	Output from dimmable panoramic roof glass relay	Ignition switch ON, dimmable panoramic roof glass switch on	Below 1 V
E38-18 (LIB2) - Body ground	Input from dimmable panoramic roof switch	Ignition switch ON, dimmable panoramic roof glass switch off	11 to 14 V
E38-18 (LIB2) - Body ground	Input from dimmable panoramic roof switch	Ignition switch ON, dimmable panoramic roof glass switch on	Below 1 V