61–COMMON DOOR DRIVER CIRCUIT SHORTED TO GROUND (MTC) (CONTINUED)
3.
CHECK THE (C939) REAR MODE DOOR COMMON DRIVER CIRCUIT FOR A SHORT TO THE (C266)
FRONT MODE DOOR DRIVER CIRCUIT, (C255) LEFT BLEND DOOR DRIVER CIRCUIT, (C55) LEFT BLEND
DOOR COMMON DRIVER CIRCUIT, (C268) RECIRCULATION DOOR DRIVER CIRCUIT, & THE (C68)
RECIRCULATION DOOR COMMON DRIVER CIRCUIT
Measure the resistance between the (C939) Rear Mode Door Com-
mon Driver circuit and the (C266) Front Mode Door Driver circuit,
(C255) Left Blend Door Driver circuit, (C55) Left Blend Door Common
Driver circuit, (C268) Recirculation Door Driver circuit, and the (C68)
Recirculation Door Common Driver circuit in the A/C Heater Control
C2 harness connector.
Is the resistance below 10k ohms on any of the circuits?
Yes
>> Repair all circuits with a resistance below 10k ohms for a
short to the (C939) Rear Mode Door Common Driver cir-
cuit.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
No
>> Go To 4
4.
CHECK THE (C55) LEFT BLEND DOOR COMMON DRIVER CIRCUIT FOR A SHORT TO THE (C266)
FRONT MODE DOOR DRIVER CIRCUIT, (C139) REAR MODE DOOR DRIVER CIRCUIT, (C268)
RECIRCULATION DOOR DRIVER CIRCUIT, & THE (C68) RECIRCULATION DOOR COMMON DRIVER
CIRCUIT
Measure the resistance between the (C55) Left Blend Door Common
Driver circuit and the (C266) Front Mode Door Driver circuit, (C139)
Rear Mode Door Driver circuit, (C268) Recirculation Door Driver cir-
cuit, and the (C68) Recirculation Door Common Driver circuit in the
A/C Heater Control C2 harness connector.
Is the resistance below 10k ohms on any of the circuits?
Yes
>> Repair all circuits with a resistance below 10k ohms for a
short to the (C55) Left Blend Door Common Driver circuit.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
No
>> Go To 5
24 - 132
HVAC - ELECTRICAL DIAGNOSTICS
WK