| Trouble Symptom Charts |
| Trouble Symptom 1 |

| Trouble Symptom 2 |
| Trouble symptom | Probable cause | Remedy |
| The set vehicle speed turns too high or low. "Surging" (repeated alternating acceleration and deceleration) occurs after setting | Malfunction of the vehicle speed sensor circuit | Repair the vehicle speed sensor system, or replace the part |
| Malfunction of ECM | Check input and output signals at ECM |
| Trouble Symptom 3 |
| Trouble symptom | Probable cause | Remedy |
| The CC system is not canceled when the brake pedal is depressed | Damaged or disconnected wiring of the brake pedal switch | Repair the harness or replace the brake pedal switch |
| Malfunction of the ECM signals | Check input and output signals at ECM |
| Trouble Symptom 4 |
| Trouble symptom | Probable cause | Remedy |
| The CC system is not canceled when the shift lever moves to the
"N" position (It is canceled, however, when the brake pedal is
depressed) | Damaged or disconnected wiring of inhibitor switch input circuit | Repair the harness, or repair or replace the inhibitor switch |
| Improper adjustment of inhibitor switch |
| Malfunction of the ECM signals | Check input and output signals at ECM |
| Trouble Symptom 5 |
| Trouble symptom | Probable cause | Remedy |
| Cannot decelerate (coast) by using the "SET/ |
System Block Diagram Component Parts And Function Outline Component partFunctionVehicle-speed sensor, ESP/ABS Control ModuleConverts vehicle speed to pulse.
Circuit Diagram
Oil Specification 1. The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2. Compressor (PAG) oil varies according to compressor model. Be sure to use oil specified for the compressor model.
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