Lexus IS250 IS220d GSE20 ALE20 - CAN COMMUNICATION
CHECK CAN BUS LINE FOR OPEN (TELEVISION CAMERA ECU BRANCH LINE)
CHECK WIRE HARNESS (+B, IG, ACC, GND1)
CAN COMMUNICATION SYSTEM (for RHD) - Television Camera ECU Communication Stop Mode
DESCRIPTION
| Detection Item | Symptom | Trouble Area |
| Television Camera ECU Communication Stop Mode | "Parking Assist Monitor" is not displayed on the "Communication Bus Check" screen of the intelligent tester Applies to "Television Camera ECU Communication Stop Mode" in the "DTC COMBINATION TABLE" | Power source circuit of the television camera ECU Television camera ECU branch line or connector Television camera ECU |
- HINT:
- "Parking Assist Monitor" refers to the circuit that includes the television camera ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.CHECK CAN BUS LINE FOR OPEN (TELEVISION CAMERA ECU BRANCH LINE) |
Turn the engine switch off.
Disconnect the television camera ECU connector (J92).
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection Condition Specified Value J92-7 (CANH) - J92-6 (CANL) Engine switch off 54 to 69 Ω
|
| ||||
| OK | |
| 2.CHECK WIRE HARNESS (+B, IG, ACC, GND1) |
Reconnect the television camera ECU connector (J92).
Disconnect the television camera ECU connector (J93).
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection Condition Specified Value J93-8 (GND1) - Body ground Always Below 1 Ω
Measure the voltage according to the value(s) in the table below.
- Standard voltage:
Tester Connection Condition Specified Value J93-1 (+B) - Body ground Always 10 to 14 V J93-3 (IG) - Body ground Engine switch on (IG) 10 to 14 V J93-4 (ACC) - Body ground Engine switch on (ACC) 10 to 14 V
|
| ||||
| OK | ||
| ||
LEXUS IS250, IS220d / GSE20 ALE20