Mode Circuit Shorted To Ign Or Batt (MTC)
MODE CIRCUIT SHORTED TO IGN OR BATT (MTC)
For a complete wiring diagram Consult Diagrams/Electrical
- When Monitored:
When the Actuator Circuit Test is executed.
- Set Condition:
This message will set if the A/C Heater Control detects a short high on the Front Mode Door Driver circuit.
1. ACTIVE HVAC DTC(S) PRESENT
Turn the ignition on.
Using the scan tool, clear all HVAC DTC's.
Using the A/C Heater Control, operate the Front Mode Door Actuator.
With the scan tool, check for DTCs.
Does the scan tool display this DTC as active?
Yes
- Go To2
No
- The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.
2. (C35) FRONT MODE DOOR DRIVER CIRCUIT OPEN
Turn the ignition off.
Disconnect the A/C Heater Control C1 harness connector.
Disconnect the Front Mode Door Actuator harness connector.
Measure the resistance of the (C35) Front Mode Door Driver circuit between the A/C Heater Control C1 harness connector and Front Mode Door Actuator harness connector.
Does the ohm meter read open circuit?
Yes
- Repair the (C35) Front Mode Door Driver circuit for an open.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.
No
- Go To3
3. DOOR ACTUATOR OPEN
Measure the resistance between terminals 1 and 2 of the Front Mode Door Actuator.
Does the ohm meter read open circuit?
Yes
- Replace the Front Mode Door Actuator.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.
No
- Replace the A/C Heater Control.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.