RM35X0E _56 Audio / Visual / Telematics _079315 PARK ASSIST / MONITORING _0385737 REAR VIEW MONITOR SYSTEM(for Inner Rear View Mirror Type) U

PARK ASSIST / MONITORING  REAR VIEW MONITOR SYSTEM(for Inner Rear View Mirror Type)  TERMINALS OF ECU  


CHECK INNER REAR VIEW MIRROR ASSEMBLY


E410130N01
3.385,0.208 3.76,0.438 0.375,0.229 3.458,0.24 3.823,0.438 0.365,0.198 10 false a7

a.

Disconnect the a7 inner rear view mirror 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
a7-6 (IG) - a7-3 (E) P - W-B Ignition switch signal Ignition switch off Below 1 V
Ignition switch ON 11 to 14 V
a7-3 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω


c.

Reconnect the a7 inner rear view mirror assembly connector.


d.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
a7-5 (REV) - a7-3 (E) L - W-B Reverse signal Ignition switch ON, shift lever in R 11 to 14 V
Ignition switch ON, shift lever not in R Below 1 V
a7-1 (CV-) - Body ground B - Body ground Shielded Always Below 1 V
a7-2 (CV+) - a7-1 (CV-) R - B Display signal Ignition switch ON, shift lever in R Pulse generation
(See waveform 1)
Ignition switch ON, shift lever in R, screen blacked out by covering camera lens Pulse generation
(See waveform 2)
a7-8 (CGND) - a7-3 (E) Shielded - W-B Rear television camera ground (shield) Always Below 1 Ω
a7-7 (CB+) - a7-8 (CGND) W - Shielded Power source Ignition switch ON, shift lever in R 5.5 to 7.05 V


e.
E159949E05
0.292,1.01 0.625,1.156 0.333,0.146 10 false GND

Using an oscilloscope, check waveform 1.

Measurement Condition
Item Content
Terminal No. (Symbol) a7-2 (CV+) - a7-1 (CV-)
Tool Setting 200 mV/DIV., 50 μsec./DIV.
Condition Ignition switch ON, shift lever in R


f.
E164781E06
0.323,1.01 0.656,1.156 0.333,0.146 10 false GND

Using an oscilloscope, check waveform 2.

Measurement Condition
Item Content
Terminal No. (Symbol) a7-2 (CV+) - a7-1 (CV-)
Tool Setting 200 mV/DIV., 50 μsec./DIV.
Condition Ignition switch ON, shift lever in R, screen blacked out by covering camera lens