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 or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

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

Test Steps KE22 And KE25: