2. Problem No. 2

WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

2 CLOCK LOSES OR GAINS TIME
1. Check that the battery positive voltage is 10 - 16 V.
  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 1: Inspecting Connector On Wire Harness Side
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Connector Inspection Flow Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002