1. Problem No. 1

CLOCK DOES NOT OPERATE
1. Check that the battery positive voltage is between 10 to 14 V.
  If voltage is not as specified, replace the battery.
2. Check that the DOME fuse is not blown.
  If the fuse is blown, replace the fuse and check for short.
3. Troubleshoot the clock as follows.
  HINT: Inspect the connector on the wire harness side.
  
  Fig 1: Locating Wire Harness Side Integration Control Panel Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 2: Lock Troubleshooting Procedure (Clock Does Not Operate)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002