B1412

DTC B1412/12 AMBIENT TEMPERATURE SENSOR CIRCUIT

CIRCUIT DESCRIPTION

Detection Item:

The sensor connected to the engine room J/B assembly (front controller) detects fluctuations in the ambient temperature that is used for controlling the interior temperature. The sensor sends a signal to the A/C amplifier via the engine room J/B assembly (front controller).

Wiring Diagram:

Step 1:

Step 2:

Step 3:

Step 4-6:

INSPECTION PROCEDURE

HINT: When using the hand-held tester, start inspection step 1 and when not using the hand-held tester, start from step 2.