Toyota Corolla (E120): Malfunction in clock

Wiring diagram

Inspection procedure

Inspection procedure

1 Inspect fuse

  1. Check the continuity in cig fuse.
  2.  check the continuity in dome fuse.

2 Inspect harness or connector

2 Inspect harness or connector

  1. Check voltage.
  1.  Remove the clock assy with connector still connected.
  2.  Measure voltage between terminal 1 (+b) of clock assy connector and body ground.

Standard voltage: 10 – 14 v

  1.  turn the ignition switch to acc.
  2. Measure voltage between terminal 4 (acc) of clock assy connector and body ground.

Standard voltage: 10 – 14 v

  1.  check continuity.
  1. Check continuity between terminal 2 (e) of clock assy connector and body ground.

    Ok: continuity exists

Replace clock assy

Replace clock assy

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