|
|
Content .. 1331 1332 1333 1334 ..
SN POWER SUPPLY AND GROUND CIRCUIT SN-23 < COMPONENT DIAGNOSIS > C D E F G H I J K L M B A O P POWER SUPPLY AND GROUND CIRCUIT SONAR CONTROL UNIT SONAR CONTROL UNIT : Diagnosis Procedure INFOID:0000000003160568 1. CHECK FUSE Check for blown fuses. Is the inspection result normal? YES >> GO TO 2. NO >> Be sure to eliminate cause of malfunction before installing new fuse. 2. CHECK POWER SUPPLY CIRCUIT 1. Turn ignition switch ON. 2. Check voltage between sonar control unit harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace sonar control unit power supply harness. 3. CHECK GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect sonar control unit connector. 3. Check continuity between sonar control unit harness connector and ground. Is the inspection result normal? YES >> INSPECTION END NO >> Repair or replace sonar control unit ground harness. Power source Fuse No. Ignition switch ON or START 3 Sonar control unit Ground Voltage (Approx.) Connector Terminal M44 13 Battery voltage Sonar control unit Ground Continuity Connector Terminal M44 24 Existed |