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189II. SPEEDOMETER INSPECTION1. INSPECT THE INDICATING ERROR ALLOWED BY SPEEDOMETER USING A SPEEDOM-
ETER TESTER, AND INSPECT THE OPERATION OF THE ODOMETER.
NOTICE:
Tire over or under inflation will cause the reading error.
2. INSPECT INPUT SIGNAL
(a) Connect the positive (+) pole of the voltmeter to terminal A-11, and the negative (-) to the terminal A-9.
(b) When the vehicle runs at 10 Km/h, inspect the voltage between terminal A-11 and A-9 of the combination
meter.
Standard: 7 wave forms of the high-low electrical level change per second.
NOTICE:
Hold the ignition switch ON when inspected, connect the connector.
3. INSPECT TACHOMETER
Inspect its operation
(1) Start the engine, using a handy tachometer to compare.
(2) The value displayed on the handy tachometer and the value indicated on the tachometer are as follows.Meter indication Value displayed on the tester
20 17—23
40 35—40
60 55—60
80 75—80
100 95—100
120 114—120
140 133—140
160 152—160
180 171—180Analog Meter (Km/h)
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191Standard
NOTICE:
Connector should be disconnected when measured.
6. INSPECT WATER TEMPERATURE WARNINGLIGHT
(a) Disconnect the water temperature sensor connector.
(b) Turn the ignition ON, the water temperature warning light should go out.
(c) Ground the terminal B5 of the meter connector, the water temperature warning light should light up.
7. INSPECT OIL PRESSURE WARNING LIGHT
(1) Disconnect the oil pressure sensor connector.
(2) Turn the ignition ON, the oil pressure warning light should go out.
(3) Short connector terminal to the ground with a wire, the oil pressure warning light should light up.
8. INSPECT OIL PRESSURE SENSOR
(1) Disconnect the connector from the oil pressure sensor .
(2) Inspect continuity between its terminal and ground.
Engine is stopped: Continuity
Engine runs: No continuity
9. INSPECT PARK BRAKE WARING LIGHT
(1) Disconnect the connector from the park brake switch.
(2) Turn the ignition ON, the park brake warning light should go out.
(3) Short connector terminal to the ground with a wire, the park brake warning light should light up.Standa rd indic ation Re sista nc e (Ω)
C159.5—169.5
1/2H
53—59
Warning point 26.7—30.7
H 20—24
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19210. INSPECT PARK BRAKE SWITCH
(1) Disconnect the connector from the park brake switch.
(2) Pull up the hand brake, inspect continuity between its terminal and ground.
Hand brake is pulled up: Continuity
Hand brake is released: No continuity
11. INSPECT BRAKE FLUID LEVEL WARING LIGHT
(1) Disconnect the connector from the brake fluid level sensor.
(2) Turn the ignition ON, the brake fluid level warning light should go out.
(3) Directly connect its connector terminal to the harness terminal with a wire, the brake fluid level warning
light should light up.
12. INSPECT BRAKE FLUID LEVEL WARING SWITCH
(1) Remove the reservoir cap
(2) Disconnect the connector from the reservoir.
(3) Inspect continuity between terminals
Float up: No continuity
(4) Use siphon to take fluid out of the reservoir.
(5) Inspect continuity between terminals
Float down: Continuity
(6) Pour the fluid into the reservoir
13. INSPECT THE REAR DEFROST INDICATOR
(1) Turn the ignition switch ON, and start the engine
(2) Press the defrost switch, the rear defrost indicator will light up
(3) Turn the ignition OFF, the rear defrost indicator should go out.
14. INSPECT THE REAR DEFOG INDICATOR
(1) The rear fog indicator will light up as the rear fog lamp lights, the terminal B1 is at the high electric
potential.
15. INSPECT THE SEAT BELT WARNING INDICATOR
(1) Disconnect the seat belt switch connector in the driver's side, the belt warning indicator should go out at
this time.
(2) Short connector terminal to the ground, the belt warning indicator should light up.
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224Section 2 Audio System Connector Terminal Layout1. Connector terminal layout on wire harness
2. Connect terminal definitionTerminal
No.Func tion Wire color Condition Standard Voltage
A1 FR+ Lg The audio system is onWave form is synchronized w ith
the output sound
A2 FL+ YB The audio system is onWave form is synchronized w ith
the output sound
A3 ACC RW Ignition sw itc h turned to ACC 10
~14V
A4 B+ R Constant Status 10
~14V
A5 FR- LgR The audio system is onWave form is synchronized w ith
the output sound
A6 FL- Y The audio system is onWave form is synchronized w ith
the output sound
A7 GND B Constant Status Continuity
A8 N u ll
A9 N u ll
A1 0 T AI L G WPosition lamp switc h turned to
ON10
~14V
B1 RR+ PB The audio system is onWave form is synchronized w ith
the output sound
B2 RL+ YR The audio system is onWave form is synchronized w ith
the output sound
B3 RR- P The audio system is onWave form is synchronized w ith
the output sound
B4 N u ll
B5 N u ll
B6 RL- YW The audio system is onWave form is synchronized w ith
the output sound
C1 B+ Constant Status 10
~14V
C2 BUS Audio s ystem is On Pulse Signal
C3 GND Constant Status Continuity
C4 ACC Ignition sw itc h ACC 10
~14V
C5 Null
C6 R-OUT The audio system is onWave form is synchronized w ith
the output sound
C7 L-OUT The audio system is onWave form is synchronized w ith
the output sound
C8GND(Audio
Frequenc y)Constant Status Continuity
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226II. Inspection1. Power switch system doesn't work
Wiring Diagram
(1) Check radio assembly (+B, ¬ACC, ¬GND)
1Check the continuity between terminals under each operating condition as shown in the table below
Standard:
2Check the voltage between terminals under each operating condition as shown in the table
Standard:
Normal:Repair or replace wire harness, connector
Abnormal:Check or replace radio assemblyMain Fuse BoxRadio and CD
BatteryFusible Link BoxIgnition SwitchTester connection Condition Standard Status
GND Consta nt Status ContinuityTeste r Connec tion Condition Sta nda rd Sta tus
+B - GND Consta nt Status 10~
14V
ACC - GND Ignition switch ACC or ON 10~
14V
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2283. Speaker soundless in all modes
Wiring Diagram
(1) Check LCD (Liquid Crystal Display) illumination
1Turn ignition switch to ACC
2Connect radio assembly continuity
3Switch on position lamp
Standard: Radio assembly LCD light goes on
Abnormal:Go to Step (7)
Normal:Go to Next Step
(2) Control volume and adjust volume balance
yOperate the radio assembly to adjust volume balance and find soundless speaker
Check and replace the radio assembly if all the speakers are soundless
Check and replace the soundless speakers if some of the speakers are soundlessMain Fuse BoxRadio and CDIgnition switchFusible Link BoxBatteryLeft Rear SpeakerRight Rear SpeakerLeft tweeter SpeakerRight tweeter SpeakerLeft Front Speaker
Right Front Speaker
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229(3) Tweeter speaker assembly inspection
1Disconnect speaker connector
2Check resistance
Notice:
Do not remove the speaker during inspection.
Standard Value: 4Ω¸
AbnormalReplace tweeter speaker assembly
NORMALCheck wire harness and connector
(4) Check front speaker assembly
1Disconnect speaker connector
2Check resistance
Standard Value: 4Ω¸
Abnormal:Replace front speaker assembly
Normal:Check wire harness and connector
(5) Check rear speaker assembly
1Disconnect speaker connector
2Check resistance
Standard Value: 4¸
Abnormal:Replace rear speaker assembly
Normal:Check wire harness and connector
(6) Check wire harness and connector
Abnormal:Repair or replace wire harness and connector
Normal:Check and replace radio assembly
(7) Check and replace radio assembly (+B, ACC, GND)
(a) Check the continuity between terminals under each operating condition as shown in the table below.
Standard:
(b) Check the voltage between terminals under each operating condition as shown in the table below.
Standard:
Normal:Repair or replace wire harness and connector
Abnormal:Check and replace radio assemblyTester connection Condition Standard Status
GND Consta nt Status ContinuityTeste r Connec tion Condition Sta nda rd Sta tus
+B - GND Consta nt Status 10~
14V
ACC - GND Ignition switch ACC or ON 10~
14VΩ
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2304. Unable to receive radio broadcast (poor reception)
(1) Check if the radio auto-research function works
Perform the radio auto-research function to see if it works
Normal:Check and replace radio assembly
Abnormal:Check the antenna for noise
(2) Check the antenna for noise
1Turn on radio to AM with the ignition switch ACC.
2Touch the antenna of the seated antenna assembly with the tip of the screwdriver. Check the speaker for
noise.
Standard: There is noise
Normal:Check and replace radio assembly
Abnormal:Check antenna assembly
(3) Check antenna assembly
1Remove the antenna plug from the antenna assembly
2Check for noise
yConnect the radio assembly connector and turn the ignition switch to ACC.
yTurn on the radio to AM
y Insert a flat pan screwdriver or metal object similar to thin wire into the hole in the antenna coaxial
cable. Check the speaker for noise.
Standard: There is noise.
Normal:Check and replace radio assembly
Abnormal:Check and replace antenna coaxial cable sub-assembly
5. Cassette tape can not be inserted or played.
(1) Check for foreign object
yCheck the radio assembly and cassette recorder for foreign object or defect.
Abnormal:Clean foreign object
Normal:Check cassette tape
(2) Check cassette tape
yCheck if the cassette tape is used to record music or sound.
Replace the tape with another tape and re-check if it is faulty.
(3) Replace it with another tape and re-check
yReplace the faulty tape with working tape to see if the same fault will re-occur.
Standard: The function is normal
Normal:The tape is faulty
Abnormal:Check if the radio auto-research function works