Description

Detection Item

Symptom

Trouble Area

Air Conditioning Amplifier Communication Stop Mode

• "A/C" not displayed on "BUS CHECK" screen of intelligent tester via the CAN VIM

• Applies to "Air Conditioning Amplifier Communication Stop Mode" in "DTC combination table"

• Power source circuit of air conditioning amplifier

• Air conditioning amplifier branch wire or connector

• Air conditioning amplifier

HINT:

For vehicle with air conditioning or PTC heater only. WIRING DIAGRAM

To IG1 Relay

Air Conditioning Amplifier

r-?

A/C

4TX+

4IG+

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