Inspection Procedure

1 Check continuity between terminal KNK of ECM connector and body ground.

LOCK

/-\

«□□□□□□□Il

Connector

PREPARATION:

(a) Remove the lower finish panel.

(b) Disconnect the E7 connector of ECM. CHECK:

Measure the resistance between terminal KNK of the ECM connector and the body ground. OK:

Resistance: 1 MQ or higher

- A15701

- A15701

Check for open and short in harness and connector between ECM and knock sensor (See page IN-26).

Check and replace ECM (See page IN-26 ).

1996 TERCEL (RM440U)_

0.5V/ Division

0V

Knock signal waveform

---

-

5 m sec./Division

0.5V/ Division

0V

: \ I \ j / \ /\ A

H

- M 4 -i 1

FI6510 FI6642

100 n sec./Division

Knock signal waveform

0.5V/ Division

5 m sec./Division

100 Li sec./Division

A07134

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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