DESCRIPTION
Detection Item | Symptom | Trouble Area |
---|---|---|
Power Steering ECU Communication Stop Mode | Either condition is met:
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WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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HINT:
PROCEDURE
1. | CHECK FOR OPEN IN CAN BUS LINES (POWER STEERING ECU ASSEMBLY BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the J4 power steering ECU assembly connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
J4-7 (CANH) - J4-8 (CANL) | Cable disconnected from negative (-) battery terminal | 54 to 69 Ω |
NG | ![]() | REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (POWER STEERING ECU ASSEMBLY) |
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2. | CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Disconnect the J5 power steering ECU assembly connector.
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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(c) Reconnect the cable to the negative (-) battery terminal.
(d) Measure the voltage according to the value(s) in the table below. Standard Voltage:
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OK | ![]() | REPLACE POWER STEERING ECU ASSEMBLY |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
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