Troubleshooting 4. Short Circuit Check (2) Sensors, switch and relay (1) Measure and record battery voltage. Do not drop or knock sensors, switches or relays dur- ing repair, to avoid damaging components. (2) Pull out the fuse of tested circuit or disconnect the power source end of tested circuit. (3) Connect the positive probe of voltmeter (red) to the positive battery terminal, and negative probe (black) to power source end of circuit. (4) Check the voltage value shown on voltmeter. If voltage value of battery is displayed, it indicates that the test circuit short to the ground. (5) This check can be done with a test light instead of a voltmeter. E010170 5.
Wire Harness Repair Caution Caution • Use relay with same specifications as the original relay during replacement. • Before repairing, measure the length of wire to be repaired and select a suitable substitute wire. • If there are multiple wires to be repaired, separate the repaired parts. (3) Connector • Disconnect the connector. (1) Strip 0.5 inch insulation layer from repair wire and substitute wire. To pull apart the connectors, pull on the connector itself, and press the connector clip to disconnect.
(2) Use heat shrink sleeve to connect the original wire and substitute wire, and compress the metal core of heat shrink sleeve with a tool to securely connect the original wire and substitute wire. (3) Keep the outer layer of the heat shrink sleeve in a good heat-shrinking state. (4) Wrap the repaired wires with insulating tape. E010180 6. Fuse Replacement Caution Caution • After replacing the fuse, perform a power on test. If the fuse is blown again, check the corresponding circuit for short. If any electrical equipment or additional equipment that exceeds the rated current is installed, replace the fuse with a higher current.
• When disconnecting connectors, do not forcibly pull the wire harness to avoid damaging parts. There are many ways to secure the connector clip. The following figure shows the common disconnection method. (1) Turn off all electrical equipment and ignition switch before repair. Pull (2) Remove the blown fuse with fuse puller. Puller (3) Replace with a new fuse with same specification. Pull Push Push Fuse 015 7. Electrical Components (1) Battery cable. Disconnect negative battery cable (arrow) before re- pairing electrical components. Push Push Pull E010160 019 8