Parking Assist Monitor System (W/ Side Monitor System) - Terminals Of Ecu

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - PARK ASSIST / MONITORING


PARKING ASSIST MONITOR SYSTEM (w/ Side Monitor System) - TERMINALS OF ECU

PARKING ASSIST ECU

Parking Assist Monitor System (W/ Side Monitor System) - Terminals Of Ecu. PARK ASSIST / MONITORING. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

Disconnect the F75 and F76 parking assist ECU connectors.

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

Terminal No. (Symbol)Wiring ColorTerminal DescriptionConditionSpecified Condition
F75-1 (+B) - F75-4 (GND1)L - W-BPower source signalAlways11 to 14 V
F75-4 (GND1) - Body groundW-B - Body groundGroundAlwaysBelow 1 Ω
F75-8 (IG) - F75-4 (GND1)G - W-BIG power source signalEngine switch on (IG)11 to 14 V
Engine switch offBelow 1 V
F75-9 (ACC) - F75-4 (GND1)GR - W-BACC power source signalEngine switch on (ACC)11 to 14 V
Engine switch offBelow 1 V
F76-7 (BLSW) - F75-4 (GND1)G - W-BFront and side monitor main switch power source signalEngine switch on (IG), front and side monitor main switch on11 to 14 V

Reconnect the F75 and F76 parking assist ECU connectors.

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

Terminal No. (Symbol)Wiring ColorTerminal DescriptionConditionSpecified Condition
F75-10 (TX-)LAVC-LAN communication signal--
F75-11 (TX+)WAVC-LAN communication signal--
F76-38 (CV-) - F75-37 (CGND)W - ShieldedRear television camera groundAlwaysBelow 1 V
F76-15 (CV+) - F75-37 (CGND)R - ShieldedRear television camera display signal (NTSC) inputEngine switch on (IG), shift lever in RPulse generation (See waveform)
F76-37 (CGND) - F75-4 (GND1)Shielded - W-BRear television camera ground (shield)AlwaysBelow 1 V
F76-14 (CB+) - F75-37 (CGND)B - ShieldedPower source to rear television cameraEngine switch on (IG), shift lever in R5.5 to 7.05 V
Parking Assist Monitor System (W/ Side Monitor System) - Terminals Of Ecu. PARK ASSIST / MONITORING. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

Using an oscilloscope, check waveform.

Text in Illustration
*aWaveform A (camera lens not covered, displaying an image)
*bWaveform B (camera lens covered, blacking out the screen)
*cSynchronized Signal
*dVideo Waveform
  • HINT:
  • The video waveform changes according to the image sent by the rear television camera assembly.

Waveform

ItemContent
Terminal No. (Symbol)F76-15 (CV+) - F75-37 (CGND)
Tool Setting200 mV/DIV., 50 μsec./DIV.
Condition
Waveform A: Engine switch on (IG), shift lever in R and camera lens is not covered, displaying an image.
Waveform B: Engine switch on (IG), shift lever in R and camera lens is covered, blacking out the screen.
REAR TELEVISION CAMERA ASSEMBLY

Parking Assist Monitor System (W/ Side Monitor System) - Terminals Of Ecu. PARK ASSIST / MONITORING. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

Disconnect the S5 rear television camera assembly connector.

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

Terminal No. (Symbol)Wiring ColorTerminal DescriptionConditionSpecified Condition
S5-3 (CGND) - Body groundBR - Body groundGroundAlwaysBelow 1 Ω
S5-4 (CB+) - S5-3 (CGND)B - BRPower sourceEngine switch on (IG), shift lever in R5.5 to 7.05 V

Reconnect the S5 rear television camera assembly connector.

  • HINT:
  • A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the parking assist ECU with the connector connected. If the result is not as specified, the rear television camera assembly may have a malfunction.

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

Terminal No. (Symbol)Wiring ColorTerminal DescriptionConditionSpecified Condition
S5-2 (CV+) - S5-3 (CGND)R - BRDisplay signalEngine switch on (IG), shift lever in RPulse generation (See waveform)
S5-1 (CV-) - S5-3 (CGND)W - BRRear television camera groundAlwaysBelow 1 V
Parking Assist Monitor System (W/ Side Monitor System) - Terminals Of Ecu. PARK ASSIST / MONITORING. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

Using an oscilloscope, check waveform.

Text in Illustration
*aWaveform A (camera lens not covered, displaying an image)
*bWaveform B (camera lens covered, blacking out the screen)
*cSynchronized Signal
*dVideo Waveform
  • HINT:
  • The video waveform changes according to the image sent by the rear television camera assembly.

Waveform

ItemContent
Terminal No. (Symbol)S5-2 (CV+) - S5-3 (CGND)
Tool Setting200 mV/DIV., 50 μsec./DIV.
Condition
Waveform A: Engine switch on (IG), shift lever in R and camera lens is not covered, displaying an image.
Waveform B: Engine switch on (IG), shift lever in R and camera lens is covered, blacking out the screen.
MULTI-MEDIA MODULE RECEIVER ASSEMBLY ()
MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH) [w/o Power Back Door System] ()
POWER BACK DOOR UNIT ASSEMBLY [w/ Power Back Door System] ()