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Engine Controls - Tests W/codes - 2.0L M/t: Overview Mazda MX-6 I

Testing & Diagnostics 24 illustrations ~328 words

TROUBLE CODE IDENTIFICATION

Note. See PIN VOLTAGE CHARTS article in the ENGINE PERFORMANCE section to identify PCME connector terminals.

Note. The following figures are courtesy of Mazda Motors Corp.

Trouble Code Identification Table. Scheme 102

Scheme 102: Trouble Code Identification Table

TROUBLE CODE IDENTIFICATION TABLE

DTCDescription
CODE 2Crankshaft Position Sensor - NE Signal
CODE 3Crankshaft Position Sensor - G Signal
CODE 8Airflow Sensor
CODE 9Engine Coolant Temperature Sensor - CIS
CODE 11Intake Air Temperature Sensor
CODE 12Throttle Position Sensor
CODE 15Heated Oxygen Sensor
CODE 16EGR Function Sensor
CODE 17Closed Loop System
CODE 25Sol Valve - Pressure Regulator Control
CODE 26Solenoid Valve - Purge Control
CODE 29EGR Solenoid Vent Valve - California
CODE 28Solenoid Valve - EGR Control
CODE 34Idle Air Control Valve
CODE 67Coolant Fan Relay No. 1

TROUBLE CODE IDENTIFICATION

Trouble Code No. 2 Diagnostic Chart (Crankshaft Position Sensor - NE Signal). Scheme 103

Scheme 103: Trouble Code No. 2 Diagnostic Chart (Crankshaft Position Sensor - NE Signal)

Scheme 104

Scheme 104

Trouble Code No. 3 Diagnostic Chart (Crankshaft Position Sensor - G Signal). Scheme 105

Scheme 105: Trouble Code No. 3 Diagnostic Chart (Crankshaft Position Sensor - G Signal)

Trouble Code No. 3 Schematic (Crankshaft Position Sensor - G Signal). Scheme 106

Scheme 106: Trouble Code No. 3 Schematic (Crankshaft Position Sensor - G Signal)

Trouble Code No. 8 Diagnostic Chart (Airflow Sensor). Scheme 107

Scheme 107: Trouble Code No. 8 Diagnostic Chart (Airflow Sensor)

Trouble Code No. 8 Schematic (Airflow Sensor). Scheme 108

Scheme 108: Trouble Code No. 8 Schematic (Airflow Sensor)

Trouble Code No. 9 Diagnostic Chart (Engine Coolant Temperature Sensor - CIS). Scheme 109

Scheme 109: Trouble Code No. 9 Diagnostic Chart (Engine Coolant Temperature Sensor - CIS)

Trouble Code No. 9 Schematic (Engine Coolant Temperature Sensor - CIS). Scheme 110

Scheme 110: Trouble Code No. 9 Schematic (Engine Coolant Temperature Sensor - CIS)

Trouble Code No. 11 Diagnostic Chart (Intake Air Temperature Sensor). Scheme 111

Scheme 111: Trouble Code No. 11 Diagnostic Chart (Intake Air Temperature Sensor)

Trouble Code No. 12 Diagnostic Chart (Throttle Position Sensor). Scheme 112

Scheme 112: Trouble Code No. 12 Diagnostic Chart (Throttle Position Sensor)

Trouble Code No. 15 Diagnostic Chart (Heated Oxygen Sensor). Scheme 113

Scheme 113: Trouble Code No. 15 Diagnostic Chart (Heated Oxygen Sensor)

Trouble Code No. 16 Diagnostic Chart (EGR Function Sensor). Scheme 114

Scheme 114: Trouble Code No. 16 Diagnostic Chart (EGR Function Sensor)

Trouble Code No. 16 Schematic (EGR Function Sensor). Scheme 115

Scheme 115: Trouble Code No. 16 Schematic (EGR Function Sensor)

Trouble Code No. 17 Diagnostic Chart (Closed Loop System). Scheme 116

Scheme 116: Trouble Code No. 17 Diagnostic Chart (Closed Loop System)

Trouble Code No. 25 Diagnostic Chart (Solenoid Valve - Pressure Regulator Control). Scheme 117

Scheme 117: Trouble Code No. 25 Diagnostic Chart (Solenoid Valve - Pressure Regulator Control)

Trouble Code No. 26 Diagnostic Chart (Solenoid Valve - Purge Control). Scheme 118

Scheme 118: Trouble Code No. 26 Diagnostic Chart (Solenoid Valve - Purge Control)

Trouble Code No. 26 Schematic (Solenoid Valve - Purge Control). Scheme 119

Scheme 119: Trouble Code No. 26 Schematic (Solenoid Valve - Purge Control)

Trouble Code No. 29 Diagnostic Chart (EGR Solenoid Vent Valve - Calif.). Scheme 120

Scheme 120: Trouble Code No. 29 Diagnostic Chart (EGR Solenoid Vent Valve - Calif.)

Trouble Code No. 29 Schematic (EGR Solenoid Vent Valve - Calif.). Scheme 121

Scheme 121: Trouble Code No. 29 Schematic (EGR Solenoid Vent Valve - Calif.)

Trouble Code No. 28 Diagnostic Chart; (Solenoid Valve - EGR Control). Scheme 122

Scheme 122: Trouble Code No. 28 Diagnostic Chart; (Solenoid Valve - EGR Control)

Trouble Code No. 34 Diagnostic Chart (Idle Air Control Valve). Scheme 123

Scheme 123: Trouble Code No. 34 Diagnostic Chart (Idle Air Control Valve)

Trouble Code No. 67 Diagnostic Chart (Coolant Fan Relay No. 1). Scheme 124

Scheme 124: Trouble Code No. 67 Diagnostic Chart (Coolant Fan Relay No. 1)

Trouble Code No. 67 Schematic (Coolant Fan Relay No. 1). Scheme 125

Scheme 125: Trouble Code No. 67 Schematic (Coolant Fan Relay No. 1)

See also:
PIN VOLTAGE CHARTS