CX-7 FWD L4-2.3L Turbo (2010)
1. Disconnect the PCM connector. (See See: Computers and Control Systems/Engine Control Module/Service and Repair/Removal and Replacement
.)
2. Disconnect the MAF/IAT sensor connector.
3. Inspect the following wiring harnesses for an open or short circuit. (Continuity check)
Open circuit
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If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
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MAF/IAT sensor terminal A and main relay terminal A*1, C*2
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MAF/IAT sensor terminal B and PCM terminal 1P
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MAF/IAT sensor terminal C and PCM terminal 1AK
Short circuit
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If there is continuity, there is a short circuit. Repair or replace the wiring harness.
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MAF/IAT sensor terminal A and body ground
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MAF/IAT sensor terminal B and power supply
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MAF/IAT sensor terminal C and power supply
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MAF/IAT sensor terminal C and body ground
*1
Canada specs.
*2
Except Canada specs.