DESCRIPTION
This circuit provides power to operate the clearance warning ECU assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
1. | CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY POWER SOURCE) |
(a) Disconnect the J38 clearance warning ECU assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
J38-1 (IG) - Body ground | Engine switch on (IG) | 11 to 14 V |
J38-1 (IG) - Body ground | Engine switch off | Below 1 V |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. | CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
J38-30 (E) - Body ground | Always | Below 1 Ω |
OK | ![]() | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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