Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la
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Computers and Control Systems: Tools and Equipment

REQUIRED TOOLS AND EQUIPMENT
DRB III (diagnostic read-out box) scan tool
Evaporative Emissions Leak Detector # 8404
Fuel filler adapter # 8382
Fuel pressure adapter (C-6631) or # 6539
Fuel pressure kit (C-4799-B) or # 5069
Fuel release hose (C-4799-1)
Min air flow fitting # 6714
Jumper wires
Ohmmeter
Oscilloscope
Vacuum gauge
Voltmeter
12 volt test light minimum 25 ohms resistance with probe # 6801

CAUTION: A 12 volt test light should not be used for the following circuits, damage to the powertrain controller will occur.
- 5 Volt Supply
- 8 Volt Supply
- J1850 PCI Bus
- CCD Bus
- CKP Sensor Signal
- CMP Sensor Signal
- Vehicle Speed Sensor Signal
- O2 Sensor Signal