How to test the temperature of a jeep heater?
Rotate the left temperature control knob clockwise (CW) one detent. 2. If you continue to keep the a/c and recirc buttons depressed, the AZC control module will perform a Segment Test of the Vacuum Fluorescent (VF) display.
What causes a fault code on a jeep heater?
A majority of historical fault codes are caused by intermittent wire harness or wire harness connector problems. 1. To enter the self-diagnostic mode, depress the a/c and recirc buttons at the same time and hold. Rotate the left temperature control knob clockwise (CW) one detent. 2.
Why does my Jeep Grand Cherokee Fan quit working?
In this one we take a stab at permanently fixing a common issue with the 1999-2004 Jeep Grand Cherokee. The electric cooling fan will quit working, and your jeep will overheat, due to a failure in the electronic fan control relay. This is a heat related failure and I add a large heat sink and relocate the relay to try and avoid further issues.
Can a jeep heater be operated in manual mode?
Can be operated in a manual mode. Uses engine temperature data, received over the PCI Bus, for cold engine blower lock-out. Uses engine RPM data, received over the PCI Bus, for wide-open throttle A/C cut-out. cooling performance.
Rotate the left temperature control knob clockwise (CW) one detent. 2. If you continue to keep the a/c and recirc buttons depressed, the AZC control module will perform a Segment Test of the Vacuum Fluorescent (VF) display.
A majority of historical fault codes are caused by intermittent wire harness or wire harness connector problems. 1. To enter the self-diagnostic mode, depress the a/c and recirc buttons at the same time and hold. Rotate the left temperature control knob clockwise (CW) one detent. 2.
In this one we take a stab at permanently fixing a common issue with the 1999-2004 Jeep Grand Cherokee. The electric cooling fan will quit working, and your jeep will overheat, due to a failure in the electronic fan control relay. This is a heat related failure and I add a large heat sink and relocate the relay to try and avoid further issues.
Can be operated in a manual mode. Uses engine temperature data, received over the PCI Bus, for cold engine blower lock-out. Uses engine RPM data, received over the PCI Bus, for wide-open throttle A/C cut-out. cooling performance.
Where to find fault code on Jeep heater?
If there are no fault codes, the “00” display value will remain in the VF window. Should there be any codes, faults in the order they occurred). The left side set temperature display will be blanked and the right side set