Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 188

6E–356

4JH1 ENGINE DRIVEABILITY AND EMISSIONS

CRANKSHAFT POSITION (CKP) 

SENSOR

Location
Installed to the clutch housing.

Removal Procedure

1. Disconnect the negative battery cable.

2. Disconnect connector from the CKP sensor.

3. Loosen a bolt and remove the CKP sensor from the

clutch housing.

Installation Procedure

1. Install the CKP sensor to the clutch housing.

2. Tighten CKP sensor by a bolt with specified

tightening torque. 

Tightening Torque

• Bolts: 8.0 - 12.0 N·m (0.8 - 1.2 kgf·m)

3. Connect a CKP sensor connector to the CKP

sensor.

4. Connect the negative battery cable.

NOTE: Verify any DTCs (diagnosis Trouble Code) are
not stored after replacement.

ENGINE COOLANT TEMPERATURE 

(ECT) SENSOR

Location
Installed to the thermostat housing.

Removal Procedure

1. Disconnect the negative battery cable.

2. Drain enough engine coolant so that the coolant

level will be below the ECT sensor. 

3. Disconnect connector from the ECT sensor.

4. Loosen and remove the ECT sensor from the

thermostat housing.

NOTE: Cool down the engine before above procedures
are carried out.

Installation Procedure

1. Apply sealer to threads of screw at the ECT sensor.

2. Tighten the ECT sensor with specified tightening

torque. 

Tightening Torque

• Bolt: 13N·m (1.3kgf·m)

3. Connect a ECT sensor connector to the ECT

sensor.

4. Fill the engine coolant.

5. Connect the negative battery cable.

NOTE: Verify any DTCs (diagnosis Trouble Code) are
not stored after replacement.
Verify no engine coolant leaking from the sensor
threads after replacement.

4JH1 ENGINE DRIVEABILITY AND EMISSIONS

6E–357

MASS AIR FLOW (MAF) & INTAKE 

AIR TEMPERATURE (IAT) SENSOR

Location
Installed to the intake duct housing.

Removal Procedure

1. Disconnect the negative battery cable.

2. Disconnect a MAF & IAT sensor connector from the

MAF & IAT sensor assembly.

3. Loosen the clips and remove the MAF & IAT sensor

assembly from the intake duct housing.

Installation Procedure

1. Install the MAF & IAT sensor assembly into intake

air duct.

2. Tighten the clips.

3. Connect a MAF & IAT sensor connector to the MAF

& IAT sensor assembly. 

4. Connect the negative battery cable.

NOTE: Verify any DTCs (diagnosis Trouble Code) are
not stored after replacement.

THROTTLE POSITION SENSOR (TPS)

Location
Installed on the throttle body.

Removal Procedure

1. Disconnect the negative battery cable.

2. Disconnect the TPS connector.

3. Loosen two screws and remove TPS from the

throttle body.

Installation Procedure

1. Temporary tighten the TPS by two screws.

2. Connect a TPS connectors to the TPS.

3. Connect the Tech2 to the vehicle.

4. Connect the negative battery cable.

5. Select “Data Display” with the Tech2.

6. Check the throttle position data and adjust the TPS

position.

7. Tighten two screws.

NOTE: Verify any DTCs (diagnosis Trouble Code) are
not stored after replacement.

6E–358

4JH1 ENGINE DRIVEABILITY AND EMISSIONS

EGR EVRV (Electrical Vacuum 

Regulating Valve)

Location
Back of the air cleaner case.

Removal Procedure

1. Disconenct the negative battery cable.

2. Disconnect a EVRV connector from the EVRV.

3. Disconnect two hoses from the EVRV.

4. Loosen two bolts and remove the EVRV from the

bracket.

Installation Procedure

1. Tighten the purge solenoid by tow bolts.

2. Connect a connector to the EVRV.

3. Connect two hoses to the EVRV.

4. Connect the negative battery cable.

NOTE: Verify any DTCs (diagnosis Trouble Code) are
not stored after replacement.
Verify proper connection of two hoses.

4JH1 ENGINE DRIVEABILITY AND EMISSIONS

6E–359

SPECIAL SERVICE TOOLS

ILLUSTRATION

TOOL NO.

TOLL NAME

5-8840-0285-0

(J 39200)

High Impedance

Multimeter

(Digital Voltmeter -DVM)

(1) PCMCIA Card

(2) RS232 Loop Back 

Connector

(3) SAE 16/19 Adapter

(4) DLC Cable

(5) TECH 2

5-8840-0385-0

(J 35616-A/BT-8637)

Connector Test Adapter Kit

Breaker Box

5-8840-0279-0

(J 23738-A)

Vacuum Pump with Gauge