Troubleshooting No.2

2. CLOCK LOSES OR GAINS TIME
1. Check that the battery positive voltage is 10 - 16 V.
  
  Fig 1: Identifying Connector Terminals View - Clock Loses Or Gains Time
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If voltage is not as specified, replace the battery.
2. Inspect the error of the clock.
  Allowable error (per day): +/-: 1.5 seconds
  
  If the error exceeds the allowable error, replace the clock.
3. Check that the clock adjusting button is sticking in position and has failed to return.
  If the error exceeds the allowable error, replace the clock.
4. Troubleshoot the clock as follows.
  NOTE:
  Inspect the connector on the wire harness side.
  
  Fig 2: Clock Loses Or Gains Time Troubleshooting No.2 Flowchart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002