TERMINALS OF ECU
1. REAR TELEVISION CAMERA ASSEMBLY
(a) Disconnect the R21 rear television camera assembly connector.
(b) Measure the voltage on the wire harness side connector according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
R21-6 (CB+) - Body ground |
B - Body ground |
Power source |
Ignition switch ACC |
5.5 to 7.05 V |
If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Reconnect the R21 rear television camera assembly connector.
(d) Measure the voltage and check for pulses at each terminal of the connector.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
R21-3 (CV+) - R21-2 (CV-) |
R - W |
Video signal |
Ignition switch ON Shift lever in R Camera lens not covered, displaying an image |
Pulse generation (Refer to waveform 1) |
Ignition switch ON Shift lever in R Camera lens covered, blacking out screen |
Pulse generation (Refer to waveform 2) |
|||
R21-5 (CGND) - Body ground |
W-B - Body ground |
Shield ground |
Always |
Below 1 V |
HINT:
A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the navigation receiver assembly*1 or radio and display receiver assembly*2 with the connector connected.
If the result is not as specified, the rear television camera assembly may be malfunctioning.
(e) Reference (Oscilloscope waveform):
HINT:
A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the navigation receiver assembly*1 or radio and display receiver assembly*2 with the connector connected.
(1) Waveform 1 (camera lens is not covered, displaying an image)
Item |
Content |
---|---|
Measurement terminal |
R21-3 (CV+) - R21-2 (CV-) |
Measurement setting |
200 mV/DIV., 50 μs./DIV. |
Condition |
Ignition switch ON, shift lever in R |
HINT:
(2) Waveform 2 (camera lens is covered, blacking out the screen)
Item |
Content |
---|---|
Measurement terminal |
R21-3 (CV+) - R21-2 (CV-) |
Measurement setting |
200 mV/DIV., 50 μs./DIV. |
Condition |
Ignition switch ON, shift lever in R |
HINT:
*a |
Waveform 1 (camera lens is not covered, displaying an image) |
*b |
Waveform 2 (camera lens is covered, blacking out the screen) |
*c |
Synchronization Signal |
*d |
Video Waveform |
2. NAVIGATION RECEIVER ASSEMBLY (for Navigation System) (See page
)
3. RADIO AND DISPLAY RECEIVER ASSEMBLY (for Audio and Visual System) (See page
)
System Too Lean (Bank 1) (P0171,P0172)
DESCRIPTION
The fuel trim is related to the feedback compensation value, not to the basic
injection duration. The fuel trim consists of both the short-term and long-term
fuel trims.
The short-term fuel trim is fuel compensation that is used to constantly ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT FUEL INJECTOR ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified C ...
Driving the vehicle
The following procedures should be observed to ensure safe driving.
- Starting the engine
- Driving
With the brake pedal depressed,
shift the shift lever to “D”.
Release the parking brake.
Gradually release the brake pedal
and gentl ...