Special tools and equipment
PrecautionsEngine coolant
Coolant level
The engine coolant solution
should be between "f" (full) and
"1..:' (Low) level lines on the engine
coolant reservoir. If the level is
lower than "1..:' (Low) level line,
bring it up to "f" (full) level by adding
50:50 mixture of distilled water ...
Voltage check
If voltage is supplied to the circuit being checked, voltage
check can be used as circuit check.
With all connectors/couplers connected and voltage
applied to the circuit being checked, measure
voltage between each terminal and body ground.
If measurements were taken as shown ...
Self-diagnostic procedures
Use of mode select switch
Note
do not disconnect the coupler from ecm,
battery cable from battery, ecm ground
wire from engine or main fuse before
confirming dtc (diagnostic trouble code)
stored in memory. Such disconnection
may erase memorized information in ec ...