B1355
Symptom: The ACC display is dark.
B1355 |
Fault symptom:
The ACC display is dark.Note | ||
The power supplies for the cabin temperature sensor's fan (pin 16) and its control (pin 17) are connected together in the ACC control module. |
Conditions
Control module output pin 16 and/or pin 17 shorted to ground.Diagnostic procedure
1. |
Unplug the cabin temperature sensor's connector and check that the voltage applied to pin 4 is about 12 V. If the voltage is OK, proceed to point 3.
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2. |
Check the wiring between pin 4 of the cabin temperature sensor's connector and pin 16 of the ACC control module for continuity/shorting. Locate the fault and rectify it.
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3. |
Check the wiring between pin 17 of the ACC control module and pin 5 of the ventilation fan control connector H8-1 for continuity/shorting. Locate the fault and rectify it.
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4. |
If the wiring was OK, change the fan control.
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5. |
Proceed to section
for further measures.
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