Lexus ES: Combination Meter ECU Communication Stop Mode
DESCRIPTION
Detection Item | Symptom | Trouble Area |
Combination Meter ECU Communication Stop Mode | Any of the following conditions are met: | -
Combination meter assembly main line or connector
-
Power source circuit of combination meter assembly
-
Combination meter assembly ground circuit
-
Combination meter 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 (COMBINATION METER ASSEMBLY MAIN LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the G17 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection | Condition | Specified Condition | G17-29 (CANH) - G17-30 (CANL) | Cable disconnected from negative (-) battery terminal | 108 to 132 Ω | | | *a | Front view of wire harness connector (to Combination Meter Assembly) | | |
NG | | REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (COMBINATION METER 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 | G17-40 (EP) - Body ground | Cable disconnected from negative (-) battery terminal | Below 1 Ω | G17-31 (ES) - Body ground | Cable disconnected from negative (-) battery terminal | Below 1 Ω | | | *a | Front view of wire harness connector (to Combination Meter Assembly) | | |
(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 |
G17-21 (IG+) - Body ground | Engine switch on (IG) | 11 to 14 V |
G17-22 (B) - Body ground | Always | 11 to 14 V |
NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
READ NEXT:
DESCRIPTION Detection Item Symptom Trouble Area Main Body ECU Communication Stop Mode Any of the following conditions are met:
Communication stop for "Main Body" is indicated on the "C
DESCRIPTION Detection Item Symptom Trouble Area ECM Communication Stop Mode Any of the following conditions are met:
Communication stop for "ECM (Engine)" is indicated on the "Communic
DESCRIPTION Detection Item Symptom Trouble Area Steering Angle Sensor Communication Stop Mode Any of the following conditions are met:
Communication stop for "Spiral cable (Steering An
SEE MORE:
DESCRIPTION Detection Item Symptom Trouble Area Door Mirror ECU LH Communication Stop Mode Any of the following conditions are met:
Communication stop for "Front Door LH/L-Mirror (FL-Door/L-Mirror)" is indicated on the "Communication Bus Check" screen of the Techstream.
Click here
DESCRIPTION Refer to DTC P012011. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P012015 Throttle / Pedal Position Sensor / Switch "A" Circuit Short to Battery or Open The output voltage of VTA1 is higher than 4.535 V for 2 seconds or
© 2016-2024 Copyright www.lexguide.net