Toyota Corolla 2004 Repair Manual - ECM

–ENGINE CONTROL SYSTEM ECM (1ZZ–FE) (April, 2003)

ECM (1ZZ–FE) (April, 2003)

REPLACEMENT

1. DISCONNECT BATTERY NEGATIVE TERMINAL

2. REMOVE GLOVE COMPARTMENT DOOR ASSY (See Page 71–10)

3. REMOVE ECM

(a) Remove the 2 clips using a clip remover. Then, open the

cover.

10–11

100HN–02

(b)

(a)

(b)

(b)

(b)

: Claw
: Clip

(a)

A83791

(b) Disconnect the 4 ECM connectors.
(c) Remove the wire harness from the wire harness clamp.

(c)

A83792

(d) Remove the 2 bolts.
(e) Unfasten the claw and clip, then remove the ECM.

A83793

2 Double–sided
Adhesive Tapes

2004 COROLLA (RM1037U)

4. REMOVE ECM COVER

(a) Take the 2 double–sided adhesive tapes off the ECM,

then remove the ECM cover.

A83794

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10–12

(a)

(a)

–ENGINE CONTROL SYSTEM ECM (1ZZ–FE) (April, 2003)

5. REMOVE ECM BRACKET NO.2 (DENSO MADE)

(a) Remove the 2 screws, then remove the ECM bracket No.

2.

A83795

6. REMOVE ECM BRACKET NO.1

(a) Remove the 2 screws, then remove the ECM bracket No.

1.

DENSO Made:

A84658A83796

(a)

(a)

(a)

(a)

A84659

DELCO Made:

(a)

(a)

A84669

7. REMOVE ECM BRACKET NO.3 (DELCO MADE)

(a) Remove the 2 screws, then remove the ECM bracket No.

3.

8. INSTALL ECM BRACKET NO.3 (DELCO MADE)

Torque: 3.2 N⋅m (33 kgf⋅cm, 28 in.⋅lbf)

9. INSTALL ECM BRACKET NO.1

Torque: 3.2 N⋅m (33 kgf⋅cm, 28 in.⋅lbf)

10. INSTALL ECM BRACKET NO.2 (DENSO MADE)

Torque: 3.2 N⋅m (33 kgf⋅cm, 28 in.⋅lbf)

2004 COROLLA (RM1037U)

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