2007 ISUZU KB P190 Workshop Repair Manual

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Page 5593 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Cruise Control – HFV6 Page 8C–15
Step Action Yes No
3 Check the ignition supply circuits to the Stop Lamp Switch assembly
connector C – 44 pin 1 is serviceable using a multimeter set to
me

Page 5594 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Cruise Control – HFV6 Page 8C–16
Step Action Yes No
8 1 Return to the Main Menu on Tech 2.
2 On Tech 2 select: Engine / V6 Engine / Data Display / Cruise Control Data.
3 Scroll to Brake

Cruise Control – HFV6 Page 8C–16
Step Action Yes No
8 1 Return to the Main Menu on Tech 2.
2 On Tech 2 select: Engine / V6 Engine / Data Display / Cruise Control Data.
3 Scroll to Brake Lamp Switch.
4 While monitoring Tech 2, press and then release to the brake pedal.
Does Tech 2 display the following:
• Active as the brake pedal is pressed?
• Inactive when the pedal is released? Go to Step 9 Go to Step 15
9 1 Scroll to Initial Brake Apply Sig.
2 While monitoring Tech 2, press and then release to the brake pedal.
Does Tech 2 display the following:
• Inactive when the pedal is released?
• Active as the brake pedal is pressed? Go to Step 10 Go to Step 16
10
NOTE
This procedure is only required on vehicles fitted with
manual transmissions. If the vehicle is fitted with an
automatic transmission, go to Step 24.
1 Scroll to Cruise Control Active .
2 While monitoring Tech 2, press and then release to the clutch pedal.
Does Tech 2 display the following:
• Active when the pedal is released?
• Inactive as the clutch pedal is pressed?
Go to Step 30 Go to Step 17
11 Test the cruise control main switch, refer to 3.1 Cruise Control
Main Switch
Is the cruise control switch serviceable? Go to Step 22 Go to Step 18
12 Test the cruise control switch assembly, refer to 3.2 Cruise Control
Switch Assembly
Is the cruise control switch assembly serviceable? Go to Step 23 Go to Step 18
13 Test the cruise control switch assembly, refer to 3.2 Cruise Control
Switch Assembly
Is the cruise control switch assembly serviceable? Go to Step 24 Go to Step 18
14 Test the cruise control switch assembly, refer to 3.2 Cruise Control
Switch Assembly
Is the cruise control switch assembly serviceable? Go to Step 25 Go to Step 18
15 Test the stop lamp switch assembly, refer to 3.3 Stop Lamp
Switch Assembly.
Is the stop lamp switch serviceable? Go to Step 26 Go to Step 19
16 Test the stop lamp switch assembly, refer to 3.3 Stop Lamp
Switch Assembly.
Is the stop lamp switch serviceable? Go to Step 26 Go to Step 20

BACK TO CHAPTER INDEX
TO MODEL INDEXISUZU KB P190 2007

Page 5595 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Cruise Control – HFV6 Page 8C–17
Step Action Yes No
17
NOTE
This procedure is only required on vehicles fitted with
manual transmissions. If the vehicle is fitted with an
automatic transmi

Cruise Control – HFV6 Page 8C–17
Step Action Yes No
17
NOTE
This procedure is only required on vehicles fitted with
manual transmissions. If the vehicle is fitted with an
automatic transmission go to Step 26.
Test the clutch pedal switch, refer to
3.4 Clutch Pedal Switch.
Is the clutch pedal switch serviceable? Go to Step 28 Go to Step 21
18 Replace the faulty cruise control switch assembly with a serviceable
item. To replace the switch assembly, refer to 8 B Cruise Control
System. Go to Step 32 —
19 Replace the faulty stop lamp switch, refer to 3.3 Stop Lamp
Switch Assembly Go to Step 32 —
20 Replace the faulty stop lamp switch, refer to 3.3 Stop Lamp
Switch Assembly Go to Step 32 —
21
Replace the faulty clutch pedal switch, refer to
3.4 Clutch Pedal Switch Go to Step 32 —
22 1 Disconnect the PIM connector B – 97.
2 Using a multimeter set to measure voltage, back probe between the harness connector B – 97 pin 14 and a known ground.
3 W ith the aid of an assistant, monitor the voltage on the multimeter and press and release the cruise control switch ON–
OFF button.
• W ith the button in the rest position, the multimeter should
display 0 V.
• W ith the button pressed, the multimeter should display
battery voltage.
Does the multimeter display as described? Go to Step 30 Check for short to
ground or open circuit.
Repair as required
(refer to Note 1).
Go to Step 32
23 1 Disconnect the PIM connector B – 97.
2 Using a multimeter set to measure voltage, back probe between the harness connector B – 97 pin 16 and a known ground.
3 With the aid of an assistant, monitor the voltage on the multimeter and rotate and release the cruise control switch to
RES–ACC position.
• With the switch in the rest position, the multimeter should
display 0 V.
• With the switch rotated, the multimeter should display
battery voltage.
Does the multimeter display as described? Go to Step 30 Check for short to
ground or open
circuit on circuit.
Repair as required
(refer to Note 1).
Go to Step 32

BACK TO CHAPTER INDEX TO MODEL INDEXISUZU KB P190 2007

Page 5596 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Cruise Control – HFV6 Page 8C–18
Step Action Yes No
24 1 Disconnect the PIM connector B – 97.
2 Using a multimeter set to measure voltage, back probe between the harness connector B –

Cruise Control – HFV6 Page 8C–18
Step Action Yes No
24 1 Disconnect the PIM connector B – 97.
2 Using a multimeter set to measure voltage, back probe between the harness connector B – 97 pin 15 and a known ground.
3 With the aid of an assistant, monitor the voltage on the multimeter and press and release the cruise control switch to
SET–COAST button.
• With the switch in the rest position, the multimeter should
display 0 V.
• With the switch pressed, the multimeter should display
battery voltage.
Does the multimeter display as described? Go to Step 30 Check for short to
ground or open
circuit on circuit.
Repair as required (refer to Note 1).
Go to Step 32
25 1 Disconnect the PIM connector B – 97.
2 Using a multimeter set to measure voltage, back probe between the harness connector B – 97 pin 17 and a known ground.
3 W ith the aid of an assistant, monitor the voltage on the multimeter and rotate and release the cruise control switch to
CANCEL position.
• With the switch in the rest position, the multimeter should
display 0 V.
• W ith the switch rotated clockwise, the multimeter should
display battery voltage.
Does the multimeter display as described? Go to Step 30 Check for short to
ground or open
circuit on circuit.
Repair as required (refer to Note 1).
Go to Step 32
26 1 Disconnect the ECM connector C – 56.
2 Using a multimeter set to measure voltage, back probe between the harness connector C – 56 pin 10 and ground.
3 With the aid of an assistant, monitor the voltage on the multimeter and press and release the brake pedal.
• W ith the brake pedal in the rest position, the multimeter
should display 0 V
• W ith the brake pedal pressed, the multimeter should
display battery voltage
Does the multimeter display as described? Go to Step 30 Check for a blown
fuse C-18.
Check for short to
ground or open circuit
Repair as required (refer to Note 1).
Go to Step 32
27 1 Disconnect the ECM connector C – 56.
2 Using a multimeter set to measure voltage, back probe between the harness connector C – 56 pin 46 and ground.
3 With the aid of an assistant, monitor the voltage on the multimeter and press and release the brake pedal.
• W ith the brake pedal in the rest position, the multimeter
should display battery voltage
• W ith the brake pedal pressed, the multimeter should
display 0 V.
Does the multimeter display as described? Go to Step 28 Check for a blown
fuse C-10.
Check for short to ground or open
circuit
Repair as required (refer to Note 1).
Go to Step 32

BACK TO CHAPTER INDEX TO MODEL INDEXISUZU KB P190 2007

Page 5597 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 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 –

Page 5598 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Cruise Control – HFV6 Page 8C–20
3 Service Operations
3.1 Cruise Control Main Switch
Remove
To remove the cruise control main switch, refer to 8 B Cruise Control System.
Test
Test the crui

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ISUZU KB P190 2007 Workshop Repair Manual Cruise Control – HFV6 Page 8C–21
3.2 Cruise Control Switch Assembly
Remove
To remove the cruise control switch assembly, refer to 8 B Cruise Control System.
Test
To test the cruise control

Page 5600 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Cruise Control – HFV6 Page 8C–22
3.3 Stop Lamp Switch Assembly
Remove
1 Press the connector locking tab while pulling on the
stop lamp connector (1) and remove from the switch
assembly (2

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