Lexus ES: Door Mirror ECU LH Communication Stop Mode
DESCRIPTION
Detection Item | Symptom | Trouble Area |
Door Mirror ECU LH Communication Stop Mode | Any of the following conditions are met: | -
Outer mirror control ECU assembly LH branch line or connector
-
Power source circuit of outer mirror control ECU assembly LH
-
Outer mirror control ECU assembly LH ground circuit
-
Outer mirror control ECU assembly LH
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
HINT:
-
Before disconnecting related connectors for inspection, push in on each connector body to check that the connector is not loose or disconnected.
-
When a connector is disconnected, check that the terminals and connector body are not cracked, deformed or corroded.
PROCEDURE
1. | CHECK FOR OPEN IN CAN BUS LINES (OUTER MIRROR CONTROL ECU ASSEMBLY LH BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the J28 outer mirror control ECU assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection | Condition | Specified Condition | J28-9 (CANP) - J28-8 (CANN) | Cable disconnected from negative (-) battery terminal | 54 to 69 Ω | | | *a | Front view of wire harness connector (to Outer Mirror Control ECU Assembly LH) | | |
NG | | REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (OUTER MIRROR CONTROL ECU ASSEMBLY LH) |
OK | | |
2. | CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection | Condition | Specified Condition | J28-7 (GND) - Body ground | Cable disconnected from negative (-) battery terminal | Below 1 Ω | | | *a | Front view of wire harness connector (to Outer Mirror Control ECU Assembly LH) | | |
(b) Reconnect the cable to the negative (-) battery terminal.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
J28-5 (SIG) - Body ground | Engine switch on (IG) | 11 to 14 V |
J28-6 (CPUB) - Body ground | Always | 11 to 14 V |
J28-14 (BDR) - Body ground | Always | 11 to 14 V |
OK | | REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH |
NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
READ NEXT:
DESCRIPTION Detection Item Symptom Trouble Area Driver Seat Control ECU Communication Stop Mode Any of the following conditions are met:
Communication stop for "D-Seat" is indicated on
DESCRIPTION Detection Item Symptom Trouble Area Luggage Door ECU Communication Stop Mode Any of the following conditions are met:
Communication stop for "Back Door" is indicated on the
DESCRIPTION Detection Item Symptom Trouble Area DCM Communication Stop Mode Any of the following conditions are met:
Communication stop for "DCM" is indicated on the "Communication Bus
SEE MORE:
DESCRIPTION The radio receiver assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines. This DTC is stored when a microphone connection detection signal line is disconnected. DTC No. Detection Item DTC Detection Condition
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect
© 2016-2024 Copyright www.lexguide.net