Window Defogger System Terminals Of Ecu

  1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY

  1. CHECK INTEGRATION CONTROL AND PANEL ASSEMBLY

Window Defogger System -- Terminals Of Ecu



CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System.Window Defogger System Terminals Of Ecu

  1. Disconnect the G25 amplifier connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    G25-21 (B) - G25-14 (GND)
    		V - W-B
    		Battery power source
    		Always
    		11 to 14 V
    G25-1 (IG+) - G25-14 (GND)
    		L - W-B
    		Ignition power supply
    		Ignition switch ON
    		11 to 14 V
    G25-1 (IG+) - G25-14 (GND)
    		L - W-B
    		Ignition power supply
    		Ignition switch off
    		Below 1 V
    G25-14 (GND) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    1. If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the G25 air conditioning amplifier connector.

  4. Measure the voltage according to the value(s) in the table below.

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    G25-38 (RDFG) - G25-14 (GND)
    		P - W-B
    		Rear defogger signal
    		Ignition switch ON, rear window defogger switch off
    		11 to 14 V
    G25-38 (RDFG) - G25-14 (GND)
    		P - W-B
    		Rear defogger signal
    		Ignition switch ON, rear window defogger switch on
    		Below 1 V
    1. If the result is not as specified, there may be a malfunction in the air conditioning amplifier.

CHECK INTEGRATION CONTROL AND PANEL ASSEMBLY

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System.Window Defogger System Terminals Of Ecu

  1. Disconnect the G23 air conditioning control connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    G23-1 (+B) - G23-4 (GND)
    		L - W-B
    		Battery power source
    		Always
    		11 to 14 V
    G23-5 (IG) - G23-4 (GND)
    		L - W-B
    		IG power supply
    		Ignition switch ON
    		11 to 14 V
    G23-6 (ACC) - G23-4 (GND)
    		P - W-B
    		ACC power supply
    		Ignition switch ACC
    		11 to 14 V
    G23-4 (GND) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    1. If the result is not as specified, there may be a malfunction in the wire harness.