Window Defogger System

WINDOW / GLASS: WINDOW DEFOGGER SYSTEM: TERMINALS OF ECU

1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY

(a) Disconnect the H85 air conditioning amplifier assembly connector.





(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT
Measure the values on the wire harness side with the connector disconnected.





If the result is not as specified, there may be a malfunction in the wire harness.

(c) Reconnect the H85 air conditioning amplifier assembly connector.

(d) Measure the voltage and check for pulses according to the value(s) in the table below.





If the result is not as specified, the air conditioning amplifier assembly may have a malfunction.

2. CHECK AIR CONDITIONING CONTROL PANEL (CENTER CLUSTER MODULE CIRCUIT)

(a) Disconnect the H80 air conditioning control panel (center cluster module circuit) connector.





(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT
Measure the values on the wire harness side with the connector disconnected.





If the result is not as specified, there may be a malfunction in the wire harness.

(c) Reconnect the H80 air conditioning control panel (center cluster module circuit) connector.

(d) Check for pulses according to the value(s) in the table below.





If the result is not as specified, the air conditioning control panel (center cluster module circuit) may have a malfunction.