Possible Causes

Possible causes are:

• Connector or terminal malfunction
• ET control relay stuck closed
• PCM malfunction
• Short to ground circuit in Blue wire between ET control relay harness connector terminal "E" and PCM 104-pin harness connector terminal No. 19
• Short to power circuit in Pink wire between ET control relay harness connector terminal "C" and PCM 104-pin harness connector terminal No. 92