Repair Section
2
–
106
(4) Connector connection fault verification method
• Simultaneously perform the data monitor and connector voltage measurements.
Q002334E
1. Read the "Coolant Temperature Output Voltage" value using the DST-2 data monitor.
2. Measure the voltage directly from the corresponding ECU terminal.
Ex.) Coolant temperature sensor
If "1" is unsatisfactory and "2" is satisfactory, the connector connection is judged as faulty.
Since some malfunctions only occur intermittently, measure voltage while pulling and shaking the
wires in order to try to get the malfunction to reoccur.
Voltage Measurement
No.2 - 34P No.5 - 31P
35 41 137 143
62 69 162 167
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