Trouble Shooting: Notes
WARNING:
Ignition system operates in a high voltage range that could prove fatal if exposed terminals are touched. Disconnect system wires, connectors and test equipment leads only when ignition is off.
CAUTION:
DO NOT
disconnect harness connector from control unit. Connector uses one way sleeve that is damaged when disconnected. If harness connector is removed or control unit is replaced, complete wiring harness must be replaced.
CAUTION:
Never let spark gap between electrode and ground exceed 5 mm when checking ignition system (e.g. when checking for a spark). Control unit my be damaged. Ground plug on engine when checking for a spark.
CAUTION:
Before operating starter without starting engine (e.g. checking compression) disable ignition system. DO NOT
remove terminal 4 (center terminal) from coil or remove distributor cap to disable ignition. See DISABLING IGNITION SYSTEM
.
CAUTION:
A weak spark can overload the catalytic converter with fuel and cause overheating. An overheated catalytic converter can be a fire hazard.
CAUTION:
DO NOT
use a test lamp with an incandescent bulb. The high draw can damage the electronic components. Use a test lamp with an LED indicator only.
CAUTION:
DO NOT
connect test equipment with a 12 volt power supply to terminal 15(+) of the ignition coil. Voltage backflow can damage ECU.