Pulsar L4-1809cc 1.8L DOHC (CA18DE) (1988)
Detonation Sensor: Diagnostic Trouble Code Tests and Associated Procedures
Note: This procedure is applicable to both codes No. 21 (Ignition Signal) and No. 34 (Detonation Sensor).
Wiring Diagram
Note: Continuity between terminals (3) and (4) cannot be inspected with an ordinary ohmmeter.