Corsica L4-121 2.0L (1988)
Test Description: Numbers below refer to circled numbers on Diagnostic Chart
1.
Checks for a closed switch to ground in park position. Different makes of "Scan" tools will read P/N differently. Refer to tool operations manual
for type of display used.
2.
Checks for an open switch in drive range.
3.
Be sure "Scan" indicates drive, even while wiggling shifter to test for an intermittent or misadjusted switch in drive range.
