Dtc B2620 Ecu Power Source Circuit Malfunction
Steering. Land Cruiser. Urj200, 202 Grj200 Vdj200
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BATTERY)
CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BODY GROUND)
DTC B2620 ECU Power Source Circuit Malfunction |
DESCRIPTION
The ECU power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU.DTC No.
| Detection Item
| Trouble Area
|
B2620
| The voltage of the ECU power source drops to 8 V or less and this condition continues for 10 secs. or more.
| - MPX-B NO. 1 fuse
- Harness or connector
- Multiplex tilt and telescopic ECU
|
WIRING DIAGRAM
INSPECTION PROCEDURE
- HINT:
- Inspect the fuses for circuits related to this system before performing the following inspection procedure.
| 1.CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BATTERY) |
Disconnect the multiplex tilt and telescopic ECU connector.
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection
| Condition
| Specified Condition
|
E144-9 (ECUB) - Body ground
| Always
| 11 to 14 V
|
Text in Illustration*a
| Front view of wire harness connector
(to Multiplex Tilt and Telescopic ECU)
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| 2.CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BODY GROUND) |
Disconnect the multiplex tilt and telescopic ECU connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
E144-8 (GND2) - Body ground
| Always
| Below 1 Ω
|
Text in Illustration*a
| Front view of wire harness connector
(to Multiplex Tilt and Telescopic ECU)
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| OK |
|
|
|
| REPLACE MULTIPLEX TILT AND TELESCOPIC ECU (Click here) |
|
