Lexus ES: Luggage Door ECU Communication Stop Mode
DESCRIPTION
Detection Item | Symptom | Trouble Area |
Luggage Door ECU Communication Stop Mode | Any of the following conditions are met: | -
Luggage closer motor assembly branch line or connector
-
Power source circuit of luggage closer motor assembly
-
Luggage closer motor assembly ground circuit
-
Luggage closer motor assembly
|
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 (LUGGAGE CLOSER MOTOR ASSEMBLY BRANCH LINE) |
(a) Disconnect the cable from the negative (-) auxiliary battery terminal.
(b) Disconnect the R7 luggage closer motor assembly connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection | Condition | Specified Condition | R7-6 (CANP) - R7-5 (CANN) | Cable disconnected from negative (-) auxiliary battery terminal | 54 to 69 Ω | | | *a | Front view of wire harness connector (to Luggage Closer Motor Assembly) | | |
NG | | REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (LUGGAGE CLOSER MOTOR ASSEMBLY) |
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 | R7-11 (GND) - Body ground | Cable disconnected from negative (-) auxiliary battery terminal | Below 1 Ω | | | *a | Front view of wire harness connector (to Luggage Closer Motor Assembly) | | |
(b) Reconnect the cable to the negative (-) auxiliary battery terminal.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
R7-8 (IG) - Body ground | Power switch on (IG) | 11 to 14 V |
R7-10 (ECUB) - Body ground | Power switch off | 11 to 14 V |
R7-12 (B) - Body ground | Power switch off | 11 to 14 V |
OK | | REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY |
NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
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SEE MORE:
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System (for Gasoline Model)
DTC CHECK / CLEAR CHECK DTC (CHECK USING TECHSTREAM) (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG) and wait for 90 seconds. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Navigation System / Trouble Codes. Body Electrical > Navigation Sys
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