DESCRIPTION
Detection Item | Symptom | Trouble Area |
---|---|---|
ECM Communication Stop Mode | Either condition is met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
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HINT:
PROCEDURE
1. | CHECK FOR OPEN IN CAN BUS LINES (ECM MAIN LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the A37 ECM connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
A37-13 (CANH) - A37-26 (CANL) | Cable disconnected from negative (-) battery terminal | 108 to 132 Ω |
NG | ![]() | REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (ECM) |
|
2. | CHECK ECM POWER SOURCE CIRCUIT |
(a) Check the ECM power source circuit.
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OK | ![]() | REPLACE ECM |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
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