Lexus ES manuals

Lexus ES: GVIF Disconnected (from Park Assist/Monitoring ECU to EMV/MM Integrated Device) (B1574)

Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Audio / Video / Audio And Visual System (for Gasoline Model) / GVIF Disconnected (from Park Assist/Monitoring ECU to EMV/MM Integrated Device) (B1574)

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B1574

GVIF Disconnected (from Park Assist/Monitoring ECU to EMV/MM Integrated Device)

GVIF disconnected (from parking assist ECU to multi-display assembly)

  • Harness or connector (GVIF cable)
  • Multi-display assembly
  • Parking assist ECU

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

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PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(b) Turn the engine switch off.

(c) Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY ASSEMBLY - PARKING ASSIST ECU)

(a) Disconnect the G100 multi-display assembly connector.

*a

Front view of wire harness connector

(to Multi-display Assembly)

*b

Front view of wire harness connector

(to Parking Assist ECU)

(b) Disconnect the N108 parking assist ECU connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

N108-1 (GV+) - G100-1 (GV+)

Always

Below 1 Ω

N108-2 (GV-) - G100-2 (GV-)

Always

Below 1 Ω

N108-3 (GND) - G100-3 (GND)

Always

Below 1 Ω

N108-1 (GV+) or G100-1 (GV+) - Body ground

Always

10 kΩ or higher

N108-2 (GV-) or G100-2 (GV-) - Body ground

Always

10 kΩ or higher

N108-3 (GND) or G100-3 (GND) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

3.

CHECK MULTI-DISPLAY ASSEMBLY

(a) Replace the multi-display assembly with a new or known good one.

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(b) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(c) Turn the engine switch off.

(d) Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

END (MULTI-DISPLAY ASSEMBLY IS DEFECTIVE)

NG

REPLACE PARKING ASSIST ECU

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