Gateway ECU Communication Stop Mode

DESCRIPTION

Detection Item	Symptom	Trouble Area
Gateway ECU Communication Stop Mode	"Body/Gateway" is not displayed on the "Communication Bus Check" screen of the intelligent tester Applies to "Gateway ECU Communication Stop Mode" in the "DTC COMBINATION TABLE"	Power source circuit of the gateway ECU Gateway ECU

HINT:

"Body/Gateway" refers to the circuit that includes the gateway ECU.

WIRING DIAGRAM

INSPECTION PROCEDURE

1. CHECK WIRE HARNESS (BATT, ACC, IG, GND)

1. Turn the engine switch off.

2. Disconnect the gateway ECU connector (J76).

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

   Standard resistance:

   Tester Connection	Condition	Specified Value
   J76-24 (GND) - Body ground	Always	Below 1 Ω

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

   Standard voltage:

   Tester Connection	Condition	Specified Value
   J76-10 (BATT) - Body ground	Always	10 to 14 V
   J76-2 (ACC) - Body ground	Engine switch on (IG)	10 to 14 V
   J76-1 (IG) - Body ground	Engine switch on (IG)	10 to 14 V

NG	REPAIR OR REPLACE HARNESS OR CONNECTOR

OK
REPLACE GATEWAY ECU