2007 ISUZU KB P190 clutch

Cruise Control – HFV6 Page 8C–19
Step Action Yes No
28 1 Disconnect the ECM connector C – 56.
2 Using a multimeter set to measure voltage, back probe between the harness connector C – 56 pin 53 and ground.
3 W ith the aid of an assistant, monitor the voltage on the multimeter and press and release the clutch pedal.
• With the clutch pedal in the rest position, the multimeter
should display battery voltage
• W ith the clutch pedal pressed, the multimeter should
display 0 V
Does the multimeter display as described? Go to Step 31 Check for a blown
fuse C-4.
Check for short to ground or open circuit
Repair as required (refer to Note 2).
Go to Step 32
29 Check all associated circuits and connectors for the following:
• Loose or damaged connections
• Intermittent faults.
Refer to the Wiring Diagrams in this Section and repair as required.
W as the repair completed? Go to Step 32 —
30 Replace the PIM, refer to 6E1 Powertrain Interface Module – V6.
W as the repair completed? Go to Step 32 —
31 Replace the ECM module, refer to 6C1-3 Engine Management – V6
Service Operations.
W as the repair completed? Go to Step 32 —
32 Operate the system in order to verify the repair.
Did you correct the condition? System OK Go to Step 1
When all diagnosis and repairs are completed, clear all DTCs and check the system for correct operation.

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Cruise Control – HFV6 Page 8C–24
3.4 Clutch Pedal Switch (Manual Only)
Remove
1 Disconnect the electrical connector (1) from the clutch
switch (2).
2 Loosen the lock nut (3) and remove the clutch switch from the pedal bracket.

Figure 8C – 13

Test
1 Using a multimeter set to measure ohms, probe the pins (1) of the switch assembly.
2 In the neutral position (plunger extended) there should be an open circuit across the switch.
3 In the active position (plunger extended) there should be a closed circuit across the switch.
4 Replace the switch as per the following reinstall procedure if the tests prove the switch to be faulty.
5 If the test proves the switch to be serviceable, reinstall it as per the following procedure.
Figure 8C – 14

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Cruise Control – HFV6 Page 8C–25

Reinstall
6 Install the clutch switch (1) as follows:
a Insert the switch into the clutch pedal bracket.
b Rotate the switch clockwise until obtaining the clearance (2) between the pedal (3) and the
pedal stoper.
Clutch pedal and pedal stoper
clearance specification............................... 0.5 – 1.5 mm
c Tighten the lock nut (4) to the correct torque specification.
Clutch switch lock nut
torque specification ............................................ 31.0 Nm
d Recheck the clutch switch clearance, readjust clearance if required.
NOTE
No adjustment is required for the clutch switch
itself.

Figure 8C – 15

7 Reconnect the electrical connector to the clutch switch.
8 Verify the operation of the clutch switch by operating the cruise control and checking the clutch switch stops operation of the cruise control when the clutch pedal is pressed.

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