Engine Control System [MZI-3.7]: Removal & Installation Mazda CX-9 I рестайлинг

PCM REMOVAL/INSTALLATION [MZI-3.7]

Note. For replace the PCM, Setup the M-MDS and perform the PCM configuration. (See PCM CONFIGURATION [MZI-3.7] .)

Scheme 33

Scheme 34

1. Disconnect the negative battery cable. (See «BATTERY REMOVAL/INSTALLATION [MZI-3.7]»(ref-663012-S16021955892014101600000) .)
2. Remove the battery and battery tray. (See «BATTERY REMOVAL/INSTALLATION [MZI-3.7]»(ref-663012-S16021955892014101600000) )
3. Disconnect the PCM connectors.
4. Remove PCM and bracket as and assembly
5. Remove in the order indicated in the article. ITEM DESCRIPTION 1 PCM bracket No. 1 2 PCM 3 PCM bracket No. 2
6. Install in the reverse order of removal.
7. When replacing the PCM on the vehicles, perform the PCM parameter reset. (See «IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [ADVANCED KEYLESS ENTRY AND START SYSTEM]»(ref-663023-S40088194352014101600000) .) (See «IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [KEYLESS ENTRY SYSTEM]»(ref-663023-S29170851942014101600000) .).

MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR REMOVAL/INSTALLATION [MZI-3.7]

Note. The MAF sensor and IAT sensor cannot be removed as a single unit. When replacing the MAF sensor or IAT sensor, replace it together with the MAF/IAT sensor as a single unit.

Scheme 35

1. Disconnect the negative battery cable. (See «BATTERY REMOVAL/INSTALLATION [MZI-3.7]»(ref-663012-S16021955892014101600000) .)
2. Disconnect MAF/IAT sensor connector.
3. Remove the MAF/IAT sensor.
4. Install in the reverse order of removal.

AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION [MZI-3.7]

Scheme 36

1. Disconnect the negative battery cable. (See «BATTERY REMOVAL/INSTALLATION [MZI-3.7]»(ref-663012-S16021955892014101600000) .)
2. Remove the engine cover. (See «ENGINE COVER REMOVAL/INSTALLATION [MZI-3.7]»(ref-663015-S15271151742014101600000) .
3. Disconnect the A/F sensor (LH) connector NOTE: If neccessary, lubricate the A/F sensor with Penetrating and lock lubricant loosen to aid in removal.
4. Remove the A/F sensor (LH) using the SST NOTE: Apply a light coat of anti-seize lubricant to the threads of the A/F sensor.
5. Install in the reverse order of removal

Scheme 37

1. Disconnect the negative battery cable. (See «BATTERY REMOVAL/INSTALLATION [MZI-3.7]»(ref-663012-S16021955892014101600000) .)
2. Remove the cowl panel for easier access. (See «COWL PANEL REMOVAL/INSTALLATION»(ref-663033-S42069854372014101600000) .)
3. Disconnect the A/F sensor (RH) connector. NOTE: If neccessary, lubricate the A/F sensor with Penetrating and Lock Lubricant loosen to aid in removal.
4. Remove the A/F sensor (RH) using the SST . NOTE: Apply a light coat of anti-seize lubricant loosen to the threads of the A/F sensor.
5. Install in the reverse order of removal.

HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [MZI-3.7]

Scheme 38

1. Disconnect the negative battery cable. (See «BATTERY REMOVAL/INSTALLATION [MZI-3.7]»(ref-663012-S16021955892014101600000) .)
2. Disconnect the HO2S (LH) connector. NOTE: If necessary, lubricate the HO2S with Penetrating and Lock Lubricant loosen to aid in removal.
3. Remove the HO2S (LH) using the SST . NOTE: Apply a light coat of anti-seize lubricant to the threads of the HO2S.
4. Install in the reverse order of removal.

Scheme 39

1. Disconnect the negative battery cable. (See «BATTERY REMOVAL/INSTALLATION [MZI-3.7]»(ref-663012-S16021955892014101600000) .)
2. Remove the cowl panel for easier access. (See «COWL PANEL REMOVAL/INSTALLATION»(ref-663033-S42069854372014101600000) .)
3. Disconnect the HO2S (RH) connector. NOTE: If necessary, lubricate the HO2S with Penetrating and Lock Lubricant loosen to aid in removal.
4. Remove the HO2S (RH) using the SST . NOTE: Apply a light coat of anti-seize lubricant to the threads of the HO2S.
5. Install in the reverse order of removal.

CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION [MZI-3.7]

Note. Disconnect the connector after the CKP sensor is removed to prevent the CKP sensor from falling off. The bolt and sensor are integrated and cannot be pulled out. When removing the CKP sensor, be careful not to drop the tool. The bolt and sensor must be pulled in different directions. Pull them as indicated in the illustration. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7] .) Remove the Catalytic Converter (WU-TWC) (LH) for easier access. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [MZI-3.7] .) Remove in the order indicated in the illustration. Install in the reverse order of removal.

KNOCK SENSOR (KS) REMOVAL/INSTALLATION [MZI-3.7]

Note. Put a tray under the converter housing to receive the engine coolant.

Scheme 40

1. Disconnect the negative battery cable. (See «BATTERY REMOVAL/INSTALLATION [MZI-3.7]»(ref-663012-S16021955892014101600000) .)
2. Perform the following procedure for easier access. Remove the ventilation hose. (See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION [MZI-3.7] .) Remove the vacuum hose (to purge solenoid valve). (See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION [MZI-3.7] .) Remove the fuel hose. (See «QUICK RELEASE CONNECTOR REMOVAL/INSTALLATION [MZI-3.7]»(ref-663018-S35739930482014101600000) .) Remove the fuel distributor. (See «FUEL INJECTOR REMOVAL/INSTALLATION [MZI-3.7]»(ref-663018-S04117489672014101600000) .) Remove the intake manifold. (See «INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-3.7]»(ref-663036-S20639303202014101600000) .)
3. Remove in the order indicated in the table. KS COMPONENT REMOVAL ORDER 1 Water inlet pipe 2 O-ring 3 KS connector 4 KS NOTE: Lubricate the new O-ring with clean engine coolant for installation.
4. Install in the reverse order of removal.

CYLINDER HEAD TEMPERATURE (CHT) SENSOR REMOVAL/INSTALLATION [MZI-3.7]

Note. Do not reuse the CHT sensor, install a new sensor.

Scheme 41

Scheme 42

1. Disconnect the negative battery cable. (See «BATTERY REMOVAL/INSTALLATION [MZI-3.7]»(ref-663012-S16021955892014101600000) .)
2. Perform the following procedure for easier access. Remove the ventilation hose. (See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION [MZI-3.7] .) Remove the vacuum hose (to purge solenoid valve). (See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION [MZI-3.7] .) Remove the fuel hose. (See «QUICK RELEASE CONNECTOR REMOVAL/INSTALLATION [MZI-3.7]»(ref-663018-S35739930482014101600000) .) Remove the fuel distributor. (See «FUEL INJECTOR REMOVAL/INSTALLATION [MZI-3.7]»(ref-663018-S04117489672014101600000) .) Remove the intake manifold. (See «INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-3.7]»(ref-663036-S20639303202014101600000) .)
3. Disconnect the CHT sensor connector.
4. Remove the CHT sensor using the following tools. Socket 3/8", 20mm, 6point Ratchet handle and torque wrench 3/8" Drive
5. Install in the reverse order of removal. Tightening torque 9-10 N.m {92-101 kgf.cm, 80-88 in.lbf}