1. Measure the temperature around the ambient temperature sensor and measure the resistance between the ambient temperature sensor terminal.

If the characteristics of the ambient temperature sensor are not as shown in the graph, replace the ambient temperature sensor.
Ambient Temperature Sensor Inspection [Full Auto Air Conditioner]
Ambient Temperature Sensor Removal/Installation [Full Auto Air Conditioner]Clutch Fluid Inspection [C66 M R]
NOTE:
A common reserve tank is used for the clutch system and brake system.
1. Verify that the clutch fluid is between the MIN mark and the MAX mark.
Verify that there is no clutch fluid leakage then add clutch fluid to the
level between the MIN mark and the MAX mark..
...
DSC HU/CM Inspection
1. Disconnect the DSC HU/CM connector..
2. Connect the negative battery cable..
3. Attach the tester lead to the DSC HU/CM wiring harness-side connector and
inspect voltage, continuity, or resistance according to the standard (reference)
on the table.
Standard (Reference)
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Lighting Systems
Outline
Front combination lights have been adopted with parts related to the front
exterior lights grouped and housed together.
The following systems have been adopted to the headlights.
Discharge headlight system (with discharge headlight system)
Auto light ...