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- Measure engine-ECU <M/T> or engine-A/T-ECU <A/T>
terminal voltage.
- Engine: Idling
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- A/C set temperature:
Maximum Cool when
temperature in cabin is 25°C
or more Maximum Hot when temperature in cabin is 25°C or
less
- Voltage between terminal No. 69 and earth.
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OK:
System voltage
(when A/C is ON) 0.5 V or less (when A/C is OFF)
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Q.
Is the check result normal?
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Check
A/C system (Refer to GROUP 55 -
Troubleshooting -
Check
Chart for Trouble Symptoms ).
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Q.
Is the check result normal?
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Repair
or replace the connector.
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- Item 76: A/C switch
- Engine: Idling
- A/C set temperature:
Maximum Cool
when temperature in cabin is 25°C or
more Maximum Hot when temperature in cabin is 25°C or
less
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OK:
ON (when A/C is
ON) OFF (when A/C is OFF)
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Q.
Is the check result normal?
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Intermittent malfunction (Refer to
GROUP 00 -
How to Use Troubleshooting/Inspection
Service Points -
How to Cope with Intermittent Malfunctions ).
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Replace the engine-ECU <M/T>
or engine-A/T-ECU <A/T>.
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