KE - Idle Speed Control
Enter this Pinpoint Test only when service code 12, 13, 16 or 19 is received during Quick Test or when directed here from Pinpoint Test S.This Pinpoint Test is only intended to diagnose the following:
1. RPM in Self-Test only.
2. Harness circuits: ISC, VPWR.
3. ECA computer processor.
To prevent replacement of good components, be aware that these non-EEC areas may be faulty:
1. Engine not at operating temperature.
2. Engine overheating.
3. A/C input (electrical problem).
4. Throttle sticking or linkage binding.
PINPOINT TEST KE SCHEMATIC
Pinpoint Test KE Schematic:
TEST STEP KE1
Test Step KE1:
TEST STEPS KE3 - KE5
Test Steps KE3 - KE5:
TEST STEPS KE6 - KE9
Test Steps KE6 - KE9:
TEST STEPS KE10 - KE11
Test Steps KE10 - KE11:
TEST STEPS KE12 AND KE15
Test Steps KE12 And KE15:
TEST STEPS KE16 - KE18
Test Steps KE16 - KE18:
TEST STEP KE19
Test Step KE19:
TEST STEPS KE22 AND KE25