DESCRIPTION
Detection Item | Symptom | Trouble Area |
---|---|---|
Driver Seat Control ECU Communication Stop Mode | Any of the following conditions are met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
NOTICE:
Click here
Click here
DTC check procedure: Turn the power switch on (IG) and wait for 1 minute or more. Then operate the suspected malfunctioning system and drive the vehicle at 60 km/h (37 mph) or more for 5 minutes or more.
Click here
HINT:
PROCEDURE
1. | CHECK FOR OPEN IN CAN BUS LINES (POSITION CONTROL ECU ASSEMBLY LH BRANCH LINE) |
(a) Disconnect the cable from the negative (-) auxiliary battery terminal.
(b) Disconnect the U48 position control ECU assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (POSITION CONTROL ECU ASSEMBLY LH) |
|
2. | CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Disconnect the U46 position control ECU assembly LH connector.
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
(c) Reconnect the cable to the negative (-) auxiliary battery terminal.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
U46-3 (+B) - Body ground | Power switch off | 11 to 14 V |
U48-1 (IG) - Body ground | Power switch on (IG) | 11 to 14 V |
U48-15 (SYSB) - Body ground | Power switch off | 11 to 14 V |
OK | REPLACE POSITION CONTROL ECU ASSEMBLY LH |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |