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EZ Battery Reconditioning Method

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FrDT. Fueb ECU-Ifl H4c A/T B E. M/T 3 ■5: A/T B^ M/TJ

flES/ACC

SET/COAST

CANCEL

0 j Uviliol Smfcli flES/ACC

SET/COAST

CANCEL

NeulrHl 51» Switch -

Tn Stflrtfli Îtfiy iDi 1 .B 2

NeulrHl 51» Switch -

Clutch Swiiçh

1QCL

Tn Stflrtfli Îtfiy

"1

IDL 5«iwl» (in Thraltte PO&liQn Sensor)

Th» PQWETi SÛURCE CfFltUIÎ hns bonn limolHipO For lull drains. pegs H£-1Q.

Connector Diagrams

Cfyipa Cantial S-iMlch Iw/Vacuum Type Actt>"tflrJ

Niul'Hl SlBT H.Lvir-ih

Ttorotile Position ScnKr \ J-Pjn Type}

lijni Sviilcn

d— 4

— ■ J

1

ll"

f>

7

E

5

jw/Motigr Type ^Clufllur^

Cann&cior 'A'

tw/O Ai'bas) Cu"inKliir LA'

1

s

1

u

J

L

*

*

7

B

r-th±3-

i

I

1

L

tl

i :■

4

'T

V

f

3*

LT

r

1*

If

14

IT

f

IL

td

Oindl 5wilth (M/T>

pj—m

2

ftrrml

5p«d SnnKp ■;a,'T in Com lii nation M-iipr i Connecior

Ajcluutin (Ukliit TVPBI

iMclor Tyi»J

tngine fi tCT ECU

5H-n-f ¿{.H.i.J.A EE40ifl iS i i-A «H+i U-a-i-A n-T-3

System Description w/Vacuum Type Actuator

CONTROL SWITCH operation

Switch

Position

Ignition Switch

ON J

Current Circuit Battery — O +0 - Ö ^-O -«-GfOuníí

'The cruise control switch controls MAIN switch, SET/COAST, RESUME/ACCEL and CANCEL function.

1. MAIN SWITCH operation

Current Circuit

(Indicator Liuiu ON)

Switch

Position

Ignition Switch

---1

ON

2. SET/COAST SWITCH operation

Switch

Position

Ignition Switch

ON

CC Main Switch

ON

SET/COAST Switch

(Indicator Liflhl ON)

Condition: Continuity

-Ground (SET/COAST switch ON)

< Actuator Operation (Current Circuit) q —*■ © —h (2> .—f- 0 ——ß —- ©

-Ground

If the SET/COAST switch is released at the moment, the vehicle speed is registered in memory.

3. RESUME/ACCEL SWITCH operation

Switch

Position

Ignition Switch

ON

CC Main Switch

ON

RESUME/ACCEL Switch

ON

Current Circuit Battery —- 0 - 6 r-O — 0 —© —- Ground,

(Indicator Light ON)

Condition; Continuity © <—- Q —.-Ground (RESUME/ACCEL swrtch ON)

< Actuator Operation > (Current Circuit} © —© —© —- (J) —- q —-Ground

If the RESUME/ACCEL switch is released at the moment, the vehicle speed is registered in memory.

4. CANCEL operation

The Cruise Control is provided with several types of the cancel switch, such as the cruise control switch (CANCEL), the stop light switch, the parking brake switch and the neutral start switch. (a) Cruise Control Switch (CANSEL)

Switch

Position

CANSEL Switch

ON

Then, cancellation signal is send to CC ECU. (b) Stop Light Switch

Switch

Position

Stop light switch (Brake pedal depressed)

ON

Then, cancellation signal is send to CC ECU. (c) Parking Brake Switch

Switch

Position

Parking brake switch (Parking brake lever pulled)

ON

Switch

Position

Clutch switch

ON

Then, cancellation signal is send to CC ECU. (e) Neutral Start Switch

Switch

Position

Neutral start switch

ON

Condition: Continuity O

'Ground

Condition: Continuity ff) Condition; Mo Continuity (D

Then, cancellation signal is send to CC ECU.

(d) Clutch Start Switch

Condi I ion: Continuity

-Ground

HINT: When contacting the negative (-) lead to the diode positive (+) side and the positive (+) lead to the negative (-) side, there should be continuity.

When contacting the two leads in reverse, there should be no continuity.

Therefore, the operation of the CCS is canceled and actuator is shut off due to the operation of these switches.

w/Motor Type Actuator

CONTROL SWITCH operation

Switch

Position

Ignition Switch

ON

Current Circuit B&itery —- O —- @ —- 0 —0 —"Ground

The cruise control switch controls MAIN switch, SET/COAST, RESUME/ACCEL and CANCEL function. 1. MAIN SWITCH operation

Switch

Position

Ignition Switch

ON

CC MAIN Switch

ON

Current CirciiFt Battery —>- O —© —p" ®

L ft

■ Ground (indicator Light ON)

2. SET/COAST SWITCH operation

Switch

Position

Ignition Switch

ON

CC MAIN Switch

ON

SET/COAST Switch

ON

Condition: Continuity 0 —© —-Ground (SET/COAST switch operation)

< Actuator Operation > (Current Circuit)

If the SET/COAST switch is released at the moment, the vehicle speed is registered in memory.

3. RESUME/ACCEL SWITCH operation

Current Circuit Bettarv—- O —- 0 —p-© — 0 — © —^Ground

Switch

Position

Ignition Switch

ON

CC MAIN Switch

ON

RESUME/ACCEL Switch

ON

Condition. Continuity © ——Ground [RESUME/ACCEL Switch ON)

< Actuator Operation > {Current Circuit)

L.© —- © —^ © — % —- © —- © —'0 —Ground

If the RESUME/ACCEL switch released at the moment, the vehicle speed is registered in memory.

CANSEL operation

The Cruise Control is provided with several type switch, such as the cruise control switch (CANSEL), the stop light switch, the parking brake switch and the neutral start switch.

(a) Cruise Control Switch (CANSEL)

{Indicator Light ON)

Switch

Position

CANSEL Switch

J

Then, cancellation signal is send to CC ECU.

(b) Stop Light Switch

Switch

Position

Stop light switch (Brake pedal depressed)

ON

Then, cancellation signal is send to CC ECU.

(c) Parking Brake Switch

Switch

Position

Parking brake switch (Parking brake lever pulled)

ON

Condition: Continuity ©

Then, cancellation signal is send to CC ECU.

(d) Clutch Switch

Switch

Position

Clutch switch

ON

Then, cancellation signal is send to CC ECU.

(e) Neutral Start Switch

Condition" Continuity @ —■ © — © —Ground HINT: When contacting the negative (-) lead to the diode positive (+) side and the positive (+) lead to the negative (-) side, there should be continuity.

When contacting the two leads in reverse, there should to be no continuity.

Therefore, the operation of the CCS is canceled and the actuator is shut off due to the operation of these switches.

Switch

Position

Neutral start switch

ON

Diagnosis System Output of Diagnostic Code

READ DIAGNOSTIC CODE (Type A)

(a) Turn the ignition switch on.

(b) Turn the control switch to SET/COAST position, and keep it there.

(c) Push the main switch ON.

(d) Check that the indicator light "CRUISE" lights-up in the combination meter.

(e) Turn the SET/COAST switch off.

(f) Meet the conditions listed in the table below.

(g) Read the diagnosis code on the cruise control indica tor light.

No.

Conditions

Indication code

Diagnosis

1

Turn the control switch to SET/COAST position.

ON -OfF -

"if r

n mu tuHi

SET/COAST circuit is normal.

ï

Turn the control switch to R ES/ACC position.

:f"lmuuuljl

HIU

RES/ACC circuit is normal.

• Control switch (to CANCEL)

• Stop light switch

• Parking brake switch

• Neutral start switch (to N or P range)

DE 1 UO

Each cancel switch is normal.

4

Drive at approx. 40 km/h (25 mph) or below.

mut

Speed sensor circuit is normal.

Drive at approx. 40 km/h (25 mph) or over (w/o ECT)

ËE1HT

Speed sensor circuit is normal.

HINT:

• Indication codes appear in order from No. 1.

• If there is no indication code, perform troubleshooting and inspection. (See page BE-98 or 112)

• Indication is stopped when the MAIN switch is re-pushed.

(a) If while driving with the cruise control on, the system is canceled by a malfunction in either the actuator, speed sensor or speed control switch circuit, the cruise control indicator light "CRUISE" will blink 5 times.

(b) While stopped, connect terminals 3 and 11 of the check connector. HINT: If the ignition switch is turned off, the diagnostic code will be erased from the computer memory.

(c) Read the diagnostic code on the indicator light

"CRUISE".

Indication code

Diagnosis

IMMUIMMI

iUIMUlMl

Normal.

11

1

___r

• Excessive current flowed to actuator drive circuit.

• open circuit in control valve circuit.

■E1MC

U

1r

J 055 h

Open circuit in release valve circuit.

BEïT'i r

21

nn

n

Vehicle speed signal not sent for 140 m sec. or longer

MIHI

23

nn

BEI W

Vehicle speed has decreased by 16 km/h (10 mph) or more from the set speed during cruising.

31

nnn

-J_,

RESUME/ACCEL switch is ON always when MAIN switch is pushed ON.

32

nnn

.. «I*»

Short circuit in control switch circuit.

34

_juul

Control switch does not turn off before switching.

41

ruuu

BE«i]

ECU malfunction.

* If the set speed can be maintained when the speed control switch is again set at SET/COAST, there is no malfunction.

(w/Vacuum Type Actuator)

(w/Motor Type Actuator)

Indication code

Diagnosis

IMIjuMnimiiiiMiiUi

Normal.

11

iF

r__r

Excessive current flowed to motor or safety magnetic clutch drive circuit.

Mitw

m

Open circuit in safety magnetic clutch circuit.

«I7TI1

13

n

nnn bum

• Position sensor circuit abnormal.

• Open circuit in motor.

21

nn

n

Vehicle speed signal not sent for 140or longer

Ktm

23

nn

nnn

* Vehicle speed has decreased* by 16 km/h (10 mph) or more from the set speed during cruising.

BÉifru

RESUME/ACCEL switch is ON always when MAIN switch is pushed ON.

32

nnn

Bbià^E

Short circuit in control switch circuit.

34

nnnn .

Control switch does not turn off before switching.

U434C

ECU malfunction.

* If the set speed can be maintained when the speed control switch is again set at SET/ COAST, there is no malfunction.

HINT:

• Indication codes appear in order from No. 11.

• If there is no indication code, perform troubleshooting and inspection. (See page BE-98 or 112)

Troubleshooting w/Vacuum Type Actuator

You will find the source of the trouble more easily by properly using the table shown below. In this table, the numbers indicate the order of priority of the causes of trouble. Check each part in the order shown.

Chart No.

0

c

c

F

H.l

G

E

K

J

Inspection Item

-\

CC ECU

Actuator

Main Switch (in Control Switch)

Control Switch

Stop Light Switch

Clutch Switch or Neutral Start Switch

Parking Brake Switch

Speed Sensor, or Speedometer Cable

O/D OFF circuit

ECT Solenoid No. 2 Circuit

Diagnosis Code

\

Problem

Type B

Type A

"CRUISE" indicator light blinks 5 times.

Cruise control system does not set.

s Cruise control system does not operate.

1'i

2

1

12

3

1

2

21

2

1

23

3

2

1

31

2

1

-

-

22

2

1

33

2

1

41

1

Normal

4

OK

7

0

1

3

4

5

2

T

Set speed deviates on high or low side.

5

ok

2

1

ng

1

Vehicle speed fluctuates when speed control switch turned to SET.

3

2

1

Set speed does not cancel when brake pedal depressed.

3

OK

3

1

2

NG

2

1

Set speed does not cancel when parking brake lever pulled.

a

OK

2

t

MO

2

1

Set speed does not cancel when shifted to "N" range. (A/T)

3

OK

2

t

NO

2

1

Set speed does not cancel when clutch pedal depressed. (M /T)

OK

2

f

NG

2

1

Vehicle speed does not decrease when speed control switch turned to COAST.

1

OK

3

t

1

2

NB

2

1

Vehicle speed does not accelerate when speed control switch turned to ACCEL.

2

OK

f

2

3

4

MB

2

1

-

Vehicle speed does not return to memorized speed when control switch turned on RESUME

2

OK

3

}

?

hg

2

1

1

Set speed does not cancel when speed control switch turned to CANCEL.

J

OK

2

T

IMG

2

1

Speed can be set below about 40 km/h

ok

2

1

(25 mph.)

NG

2

1

Cruise control will not disengage even at about 40 km/h (25 mph).

i

ÛK

2

1

NG

2

i I 1

Acceleration response is sluggish when speed control switch turned to "ACCEL" or "RESUME".

Ü

2

T

i :

3

4

HINT: while carrying out the following inspection, make certain that the connectors and terminals are properly connected.

CC: Cruise Control

B CRUISE CONTROL INDICATOR CIRCUIT

HINT: While carrying out the following inspection, make certain that the connectors and terminals are properly connected.

COMBINATION METER

Disconnect connector "B" from combination meter and inspect connector on wire harness side as follows.

Replace fuse and turn ignition switch ON.

Is fuse normal?

No

Short circuit in wire harness on vehicle side.

Short circuit in wire harness on vehicle side.

INSPECT POWER SOURCE

Turn ignition switch ON. Is there battery voltage between terminal B-7 and ground?

Open circuit in wire harness between terminal6-7 and GAUGE fuse.

INSPECT POWER SOURCE

Turn ignition switch ON. Is there battery voltage between terminal B-7 and ground?

Yes

INSPECT BULB CONDITION

No

Replace bulb. Then recheck system.

Is bulb condition normal?

CC ECU

Yes

Install bulb and connect connector to combination meter. Disconnect connector from CC ECU and inspect connector o wire harness side as follows.

n

1

INSPECT INDICATOR CIRCUIT

Is there no continuity between terminal 4 and ground?

Short circuit in wire harness between terminals 4 of CC ECU and C-2 of combination meter. Short circuit in circuit plate of combination meter between terminal C-2 and CC indicator bulb.

INSPECT INDICATOR CIRCUIT

Is there no continuity between terminal 4 and ground?

Short circuit in wire harness between terminals 4 of CC ECU and C-2 of combination meter. Short circuit in circuit plate of combination meter between terminal C-2 and CC indicator bulb.

Turn ignition switch ON. Is there battery voltage between terminal 4 and ground?

Open circuit in wire harness between terminals 4 of CC ECU and C-2 of combination meter. Open circuit in circuit plate of combination meter between terminal C-2 and CC indicator bulb or between terminal6-7 and CC indicator bulb.

Replace CC ECU. Then recheck system.

CONTROL SWITCH CIRCUIT

HINT: while carrying out the following inspection, make certain that the connectors and terminals are properly connected. CONTROL SWITCH

Disconnect connector from control switch and inspect connector on wire harness side as follows.

INSPECT GROUND CONNECTION

Is there continuity between terminal 3 (B-1 7) and ground?

Open circuit in wire harness between terminal 3 (B-17) of control switch and ground. Ground faulty.

INSPECT GROUND CONNECTION

Is there continuity between terminal 3 (B-1 7) and ground?

Yes

INSPECT CONTROL SWITCH (See page BE-129) Is control switch operation normal?

CC ECU

Yes

Connect connector to control switch. Disconnect connector from CC ECU and inspect connectors on wire harness side as follows. 1

INSPECT MAIN SWITCH CIRCUIT

Is there no continuity between terminal 6 and ground with main switch OFF?

Yes

Is there continuity between terminal 6 and ground with main switch ON?

1

Yes

INSPECT CONTROL SWITCH CIRCUIT

Is there no continuity between terminal 19 and ground with control switch OFF?

1

Yes

Is there resistance as shown in table below between terminal 19 and ground when control switch is turned to each position?

Position

Resistance (Q)

SET/COAST

CANCEL

Approx. 68 Approx. 198 Approx. 418

Yes

Replace CC ECU. Then recheck system.

Replace CC ECU. Then recheck system.

Replace control switch. Then recheck system.

Open circuit in wire harness between terminals 6 of CC ECU and 5 (B-15) of control switch.

Short circuit in wire harness between terminals 19 of CC ECU and 4 (B-5) of control switch.

( ): without Airbag System CC: Cruise Control

ACTUATOR CIRCUIT

HINT: While carrying out the following inspection, make certain that the connectors and terminals are properly connected. VACUUM HOSE

Yes
Yes

Open circuit in wire harness between terminals 16 of CC ECU and 3 of actuator.

INSPECT ACTUATOR (See page BE-130)

No

Replace actuator. Then recheck system.

Is actuator operation normal?

CONTINUED ON NEXT PAGE

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