LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 372 (On-Board Diagnostic (HVAC)) >> DTC 11 >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC 11 DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1
  • Inspect evaporator temperature sensor.
  • Is it okay?
 Yes Go to next step.
No Replace evaporator temperature sensor.
2
  • Disconnect climate control unit connector (24-pin) and evaporator temperature sensor connector.
  • Is there open circuit between following climate control unit terminals and evaporator temperature sensor terminals?
    • 1Q-C
    • 1I-A
 Yes Repair wiring harness.
No Go to next step.
3
  • Is there short circuit to ground between climate control unit terminal 1Q and evaporator temperature sensor terminal C?
 Yes Repair wiring harness.
No Connect climate control unit connector, then go to next step.
4
  • Turn ignition switch to ON position.
  • Measure voltage at climate control unit terminal 1Q.
  • Is voltage approximately 5 V? 
 Yes This system is normal at present. (Erase the past failure from memory.)
No Replace climate control unit.
scientia non olet · About LEMON Manuals