Troubleshooting

EZ Battery Reconditioning Method

How to Recondition a Battery

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Check the following before beginning Troubleshooting.

Does DISPLAY CLUSTER indicate "EEEE"?

Yes

If DISPLAY CLUSTER indicates "EEEE", operation is wrong.

No

Disconnect the negative cable from the battery for 10 seconds and then, reconnect it.

Inspect circuit and voltage of Keyboard (See page BE-114)

Perform input date to trip computer again. Does trip computer operate correctly for all items?

Perform each troubleshooting item.

Symptom

Possible Cause

Trouble

Function keys do not operate.

DISPLAY CLUSTER or Keyboard

A

MPG display is always zero.

Trip reading does increase or "ARRIVE" mode indicate " " always.

DISPLAY CLUSTER or Keyboard

B

MPG display is always 70 or trip reading does not change.

DISPLAY CLUSTER or Keyboard

C

Lights does not dim.

DISPLAY CLUSTER or Keyboard

D

Inaccurate clock.

DISPLAY CLUSTER

E

INSPECTION OF WIRING CONNECTOR LINE

1. INSPECT GROUND CONNECTION

Inspect the ground connection between terminal E and body ground of the wiring connector.

If there is no voltage repair or replace the ECV fuse, connector and wire harness.

2. INSPECT POWER SOURCE LINE TO CONNECTOR

(a) Inspect the battery voltage between terminals +B and GND of the wiring connector.

If there is no voltage, repair or replace the ECV fuse, connector and wire harness.

(b) Inspect the battery voltage between terminals DIM and GND of the wiring connector with the light switch turned ON.

NOTE: The voltage is nearly equal to battery voltage.

(c) Inspect the battery voltage between terminals ACC and GND of the wiring connector with the ignition switch at ACC or ON position.

NOTE: The voltage is nearly equal to battery voltage.

(d) Inspect the battery voltage between terminals VEFI and GND of the wiring connector with the ignition switch at ON position.

NOTE: The voltage is nearly equal to battery voltage.

7-terminal Connector (of Wiring)

7-terminal Connector (of Wiring)

Continuity Between Terminals

(e) Inspect the battery voltage between terminal t and body ground of wiring connector with the ignition switch at ON position.

3. INSPECT SPEED SENSOR LINE TO CONNECTOR

With the ignition switch at ON position, check that there is continuity between terminals f and GND of wiring connector four times per each revolution of the magnet shaft.

7-terminal Connector (of Wiring)

7-terminal Connector (of Wiring)

TEST

TROUBLE

A

Function keys do not operate.

Disconnect 8-terminal connector.

Is there continuity betwe

■en the following terminals of 8-terminal connector when the key is pushed?

Key

Terminal

Key

Terminal

data fuel clock

data -gnd fuel -gnd clk -gnd

mgp arrive set

mgp-gnd arr-gnd set - gnd

ok

No

Replace DISPLAY CLUSTER or COMPUTER.

Replace Keyboard.

TEST

TROUBLE

Trip reading increases or "ARRIVE" mode indicates " " always.

Is MPG indication always zero?

No

Replace DISPLAY CLUSTER.

14-terminal Connector of COMPUTER

TEST

TROUBLE

c

MPG indication always 70 miles/gal or trip reading does not change.

NOTE: If tester indication can be verified, this check is okay. Analog Type: Needle fluctuation Digital Type: Number change

14-terminal Connector of DISPLAY CLUSTER

TEST

TROUBLE

D

Lights do not dim.

Disconnect 14-terminal connector.

With the ignition switch at ACC position and light switch turned ON, is there OV between vterminals DIM and GND of the 14-terminal connector?

No

Yes

Replace Keyboard.

Replace DISPLAY CLUSTER.

14 terminal Connector of COMPUTER

14 terminal Connector of COMPUTER

TEST

TROUBLE

E

Inaccurate clock.

Replace DISPLAY CLUSTER

NOTE: Allowable error : ±5 seconds/day.

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DIY Battery Repair

DIY Battery Repair

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