Toyota Tacoma manuals

Toyota Corolla Repair Manual: Malfunction in water temperature receiver gauge

Toyota Corolla Repair Manual / Diagnostics / Combination meter / Malfunction in water temperature receiver gauge

Wiring diagram

Inspection procedure

Inspection procedure

1 Read value of handheld tester

  1. Check output value of ecm.
  1.  Connect the handheld tester to dlc3.
  2.  Turn the ignition switch to on and push the handheld tester main switch on.
  3.  Select the data list mode on the handheld tester.

2 Inspect combination meter assy

2 Inspect combination meter assy

(Reference) inspection using oscilloscope

(Reference) inspection using oscilloscope

  1.  check the input signal waveform.
  1.  Remove the combination meter with connectors still connected.
  2.  Connect the oscilloscope to the terminals c98 of combination meter assy and body ground.
  3.  Start engine.
  4.  Check the signal waveform.

3 Check harness and connector(between ecm and combination

3 Check harness and connector(between ecm and combination meter assy)

  1. Remove the combination meter.
  2. check the continuity between terminals 14 (thwo) of ecm and c98 of combination meter connector.

    Standard: there is continuity.

Check and replace ecm

Check and replace ecm

Malfunction in fuel receiver gauge
Wiring diagram Inspection procedere 1 Inspect fuel sender gage assy Disconnect the connector fuel sender gauge. check the float position between e and f and measure the resistance betw ...

Warning buzzer does not sound (key reminder warning, light reminder warning)
Wiring diagram Inspection procedere 1 Check buzzer Check that all of the warning buzzers sound. 2 Inspect front door courtesy lamp switch assy 3 Inspect unlock warning switch ...

Other materials:

Using the interior lights
Interior lights list 1 Front interior light/personal lights 2 Rear interior light 3 Engine switch light (vehicles with a smart key system) Front interior light/personal lights ■ Front interior light ► Type A ► Type B 1 Off 2 Door position 3 On ■ Personal li ...

Using a Bluetooth Phone
The hands-free system is a function that allows you to use your cellular phone without touching it. This system supports Bluetooth. Bluetooth is a wireless data system that allows the cellular phone to wirelessly connect to the hands-free system and make/receive calls. Before making a phon ...

Circuit description
When driving uphill under cruise control, in order to reduce the number of shifting due to onoff overdrive operation and to provide smooth driving, when down shifting in the electronically controlled transmission occurs, a signal to prevent upshift until the end of the uphill slope is sent fr ...

2011-2019 Copyright www.tcorolla.net