Lexus ES: Suspension Control ECU Communication Stop Mode
DESCRIPTION
Detection Item | Symptom | Trouble Area |
Suspension Control ECU Communication Stop Mode | Any of the following conditions are met: | -
Absorber control ECU CAN branch line or connector
-
Power source circuit of absorber control ECU
-
Absorber control ECU ground circuit
-
Absorber control ECU
|
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 (ABSORBER CONTROL ECU BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the N32 absorber control ECU connector. | | *a | Front view of wire harness connector (to Absorber Control ECU) | | |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
N32-8 (CANH) - N32-7 (CANL) | Cable disconnected from negative (-) battery terminal | 54 to 69 Ω |
NG | | REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (ABSORBER CONTROL ECU) |
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 | N32-4 (GND) - Body ground | Cable disconnected from negative (-) battery terminal | Below 1 Ω | | | *a | Front view of wire harness connector (to Absorber Control ECU) | | |
(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 | Switch Condition | Specified Condition | N32-1 (IGB) - Body ground | Engine switch on (IG) | 11 to 14 V | | | *a | Front view of wire harness connector (to Absorber Control ECU) | | |
NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
READ NEXT:
DESCRIPTION Detection Item Symptom Trouble Area Center Airbag Sensor Communication Stop Mode Any of the following conditions are met:
Communication stop for "Airbag" is indicated on th
DESCRIPTION Detection Item Symptom Trouble Area Certification ECU Communication Stop Mode Any of the following conditions are met:
Communication stop for "Certification (Smart)" is ind
DESCRIPTION Detection Item Symptom Trouble Area Combination Meter ECU Communication Stop Mode Any of the following conditions are met:
Communication stop for "Combination Meter" is ind
SEE MORE:
COMPONENTS ILLUSTRATION *1 NO. 2 PARKING BRAKE WIRE ASSEMBLY *2 REAR AXLE HUB AND BEARING ASSEMBLY *3 REAR DISC *4 REAR DISC BRAKE CALIPER ASSEMBLY *5 REAR FLEXIBLE HOSE *6 REAR DISC BRAKE DUST COVER SUB-ASSEMBLY Tightening torque for "Major areas involving basic
ROAD TEST HINT:
The dynamic radar cruise control system has 2 cruise control modes: constant speed control mode and vehicle-to-vehicle distance control mode.
Vehicle-to-vehicle distance control mode is selected by default when the dynamic radar cruise control system is turned on using the cruis
© 2016-2024 Copyright www.lexguide.net