Overhead Junction Block: Inspection

INSPECT OVERHEAD JUNCTION BLOCK ASSEMBLY
Disconnect the connector from the overhead J/B and inspect the connector on the wire harness side, as shown.

Fig 1: Overhead Junction Block Assembly Inspection Reference Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Identifying Overhead Junction Block Assembly Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the overhead junction block.
Overhead J/B side: INSPECT OVERHEAD JUNCTION BLOCK ASSEMBLY

Fig 3: Overhead Junction Block Assembly Inspection Reference Chart (Overhead J/B Side)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Identifying Overhead Junction Block Assembly Connector Terminals (Overhead J/B Side)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the overhead J/B assembly.