Inspection Procedure

1. See input signal check (See HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS ).
2. Check indicator light operation when driving with vehicle speed above 40 km/h (25 mph), and with vehicle speed below 40 km/h (25 mph).

   OK: 

   Vehicle speed above 40 km/h (25 mph): Indicator light blinks 

   Vehicle speed below 40 km/h (25 mph): Indicator light stays ON 

Fig 1: Checking Input Signal Blinking Pattern
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OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE  

NG: GO TO NEXT STEP 

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR OR COMBINATION METER ASSEMBLY 

OK: GO TO NEXT STEP 

1. Check for open and short circuit in harness and connector between cruise control ECU assembly and combination meter assembly (See HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS ).

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: CHECK AND REPLACE CRUISE CONTROL ECU ASSEMBLY