Component Testing

2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Component Testing
WARNING: This page is about a different car, the 2007 Pontiac Torrent and 2007 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Refer to SIR Caution .

Disable the inflatable restraint steering wheel module when performing this diagnostic. Refer to SIR Disabling and Enabling .

  1. Ignition OFF, remove the inflatable restraint steering wheel module. Refer to Inflatable Restraint Steering Wheel Module Replacement (Equinox) or Inflatable Restraint Steering Wheel Module Replacement (Torrent) .
  2. Ignition OFF, disconnect the harness connector C277 at the inflatable restraint steering wheel module.
  3. Measure the resistance between terminals C and D at the cruise control switch side of the connector. Individually activate and hold each cruise control function switch and compare the resistance reading to the values for the On, Off, - SET, + RES and cancel switches.
    • If any of the resistance measurements for the On, Off, - SET, + RES and cancel switches are not within the listed resistance values, replace the steering wheel controls-left.
Cruise Control Inoperative/Malfunctioning

Function Switch Minimum Resistance Value Maximum Resistance Value
Off O.L. O.L.
On 6.5k Ohms 7.1k Ohms
- SET 2.2k Ohms 2.4k Ohms
+ RES 3.7k Ohms 3.9k Ohms
Cancel 1.4k Ohms 1.6k Ohms
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.