Error Codes 42 and 43

[dcrusupra]

Code 42 - Vehicle Speed Sensor Signal

Diagnosis - No "SPD" signal to ECU for 8 seconds when engine speed is between 2,500 RPM and 4,500 RPM (7M-GE) or 4,000 RPM (7M-GTE) and coolant temp. is below 80* C (176* F) and neutral start switch is off.

Trouble Area - Vehicle speed sensor circuit, vehicle speed sensor, or ECU



Code 43 - Starter Signal

Diagnosis - No "STA" signal to ECU until engine speed reaches 800 RPM with vehicle not moving.

Trouble Area - Ignition switch circuit, ignition switch, or ECU