Test DA: Step 20)

20) Code 61, 64 or 68: Induce Opposite Code (51, 54 or 58)  Code 61 (ECT), 64 (ACT or VAT) or 68 (VAT) indicates that sensor signal is less than Self-Test minimum. Minimum signal for ACT and ECT sensor is 0.2 volt. Minimum signal for VAT sensor is 0.35 volt.

Possible causes for this fault are:

• Temperature too high (VAT)
• Circuit grounded in vehicle harness (ACT or ECT)
• Faulty sensor
• Faulty ECA
• Faulty connection

Turn key off and wait 10 seconds. Disconnect vehicle harness connector from suspect sensor. Inspect for and repair any damaged wiring. Repeat KOEO Self-Test. If code 51, 54 or 58 is displayed, replace sensor and connect harness. Repeat QUICK TEST. If code 51, 54 or 58 is not displayed, go to next step.