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Home >> Mazda >> 1999 >> Protege DX L4-1.6L DOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Testing and Inspection >> Component Tests and General Diagnostics >> Using the SST (104 Pin Breakout Box)

Using the SST (104 Pin Breakout Box)

CAUTION: The PCM terminal voltages vary with change in measuring conditions and vehicle conditions. Always carry out a total inspection of the input Systems, output systems, and PCM to determine the cause of trouble. Otherwise, a wrong diagnosis will be made.

PCM Inspection Using the SST (104 Pin Breakout Box)

1. Disconnect the negative battery cable.
2. Disconnect the PCM connector.




3. Connect the SST (104 Pin Breakout Box) to the PCM as shown.
4. Tighten the connector bolt.

Tightening torque
7.9 - 10.7 Nm (80 - 110 kg.m, 69.5 - 95.4 in.lb)

5. Connect the negative battery cable.

6. Measure the voltage at each terminal.
- If any incorrect voltage is detected, inspect the related system(s), wiring harnesses and connector(s) referring to the Action column in the terminal voltage table.

Terminal 1 To 12:




Terminal 12 To 28:




Terminal 29 To 40:




Terminal 41 To 54:




Terminal 55 To 67:




Terminal 68 To 84:




Terminal 85 To 94:




Terminal 95 To 104:




TERMINAL VOLTAGE TABLE (REFERENCE)

*1 : ATX only
*2 : California emission regulation applicable model
*3 : Measure at AC range
*4 : Except federal emission regulation applicable MTX models
*5 : The ECT when the engine is started should be lower than when the ignition switch was turned from on to off in the past by more that 50 °C (122 °F)
*6 : Except California emission regulation applicable model

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