TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
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AC/Air Conditioning System30 / 46
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AIR CONDITIONING SYSTEM — Condenser Fan Motors, Heater Blower Resistor, Relays — MK3 Supra Air Conditioning System, page 30
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AC-30 AIR CONDITIONING SYSTEM — Condenser Fan Motors, Heater Blower Resistor, Relays CONDENSER FAN MOTORS INSPECTION OF CONDENSER FAN MOTORS 1. DISCONNECT NEGATIVE CABLE FROM BATTERY 2. DISCONNECT CONNECTOR OF FAN MOTOR 3. CHECK FAN MOTOR (a) Using the wire harness, apply battery voltage (12V) to the connector. (b) Check the smooth rotation of the motor within the specified current flow. Standard current: Fan motor No.1 and No.2 6.7 ± 0.7 A (7M-GTE E/G and M/T model) 6.7 ± 0.7 A (7M-GTE E/G and A/T model or 7M-GE E/G model) Fan motor No.3 6.7 ± 0.7 A (7M-GTE E/G and A/T model only) If defective, replace the motor. 4. CONNECT CONNECTOR OF FAN MOTOR 5. CONNECT NEGATIVE CABLE TO BATTERY HEATER BLOWER RESISTOR INSPECTION OF RESISTOR INSPECT RESISTOR RESISTANCE Check that there is continuity between terminals 4 and 6. If there is no continuity, replace the resistor. RELAYS INSPECTION OF RELAYS 1. REMOVE RELAYS