DESCRIPTION
Detection Item | Symptom | Trouble Area |
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Parking Assist ECU Communication Stop Mode | Any of the following conditions are met:
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WIRING DIAGRAM
CAUTION / NOTICE / HINT
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
NOTICE:
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DTC check procedure: Turn the power switch on (IG) and wait for 1 minute or more. Then operate the suspected malfunctioning system and drive the vehicle at 60 km/h (37 mph) or more for 5 minutes or more.
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HINT:
PROCEDURE
1. | CHECK FOR OPEN IN CAN BUS LINES (PARKING ASSIST ECU BRANCH LINE) |
(a) Disconnect the cable from the negative (-) auxiliary battery terminal.
(b) Disconnect the N44 parking assist ECU connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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NG | REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (PARKING ASSIST ECU) |
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2. | CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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(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 |
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N44-1 (+B) - Body ground | Power switch off | 11 to 14 V |
N44-2 (ACC) - Body ground | Power switch on (ACC) | 11 to 14 V |
N44-3 (IG) - Body ground | Power switch on (IG) | 11 to 14 V |
OK | REPLACE PARKING ASSIST ECU |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |