Component Tests: Clock

1998 Lexus GS 300SECTION Clock

Disconnect clock 8-pin connector. Using a voltmeter, check voltage between ground and clock 8-pin connector terminal No. 4 (Blue/Yellow wire). Battery voltage should exist. Check voltage between ground and clock 8-pin connector terminal No. 5 (Gray wire). Battery voltage should exist. Check voltage between ground and clock 8-pin connector terminal No. 1 (White/Black wire). Battery voltage should not exist. If voltages are as specified, replace clock and retest system operation. If voltages are not as specified, repair or replace wire harness and retest system operation.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.