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Key On-engine Off (KOEO) Self-test

Connect voltmeter and insert jumper wire to self-test input terminal and output terminal No. 2. This activates the self-test. Turn ignition switch to "Run" position. DO NOT  depress throttle during test. Observe and record On Demand and Continuous codes. When more than 1 code is displayed, always repair problems in the order that codes were displayed. Repair codes as follows:

KEY ON-ENGINE OFF (KOEO) SELF-TEST RESULTS

On Demand Codes Continuous Codes Go To
11 11 TIMING CHECK
Any 11 On Demand Code Table
Any Any On Demand Code Table
11 Any TIMING CHECK
None None Test I
ON DEMAND CODES

Code Test to Perform
15 Replace ECA, retest.
21 Test D
22 Test E
23 Test F
51 Test D, step 6)
53 Test F, step 7)
61 Test D, step 8)
63 Test F, step 12)
67 Test G
68 Test H