ignition GEELY MK 2008 Owner's Manual

Serial No. Symptom
1 The whole combination meter does not work
2 Speedometer fault
3 Tachometer fault
4 Water temperature gauge fault
5 Fuel gauge fault
6 Odometer fault
7 Instrument illumination fault
8 Instrument warning light fault
Tester connection Condition Standard condition
C13 - ground Normal ONSection 2 Malfunction Symptom Table and TroubleshootingI. Symptom table The table below lists the typical malfunction symptoms of the combination meter. These malfunctions can be
troubleshot step by step in the section of the malfunction diagnosis.Tester connection Conditions Standard condition
C 12- ground Turn ignition switch to ON position 10-14 VCombination Instrument System -Malfunction Symptom Table and Troubleshooting5-10II. Specific troubleshooting steps The entire combination instrument does not work (1) Check safety wire (refer to schematic diagram of
combination instrument)
a. Check GAUGE (10 A) safety wire in fuse box of instrument desk is on
b. Check AM 1 (30 A) safety wire in fuse box of engine room is on
c. Check MAIN (80 A) safety wire in fuse box is on
Result and measures: if there is any blowout, replace with a safety wire of the same capacity
(2) Check team whole instrument socket connector
a. Inspect continuity
Disconnect connector from combination instrument assy.
Check connection between terminals
Standard:
b. Check voltage
Disconnect connector from combination instrument assy.
Turn ignition switch to ON
Check voltage between terminals
Standard:

c.Check voltage between terminals
Standard:Rotating wheel 7.5-9V
Below 0.5V0Voltage changes alternativelyCombination Instrument System -Malfunction Symptom Table and Troubleshooting5-11 Result and measures:
Normal, replace combination instrument assy.
Abnormal, repair or replace wiring harness or connector
2. Speedometer fails
Check
(1) Check combination instrument assy.
a. Remove combination instrument assy. , keep connection of connector.
b. Check on state
Check connection between terminals
Standard:Tester connection Conditions Standard condition
C 17- ground Turn ignition switch to ON position 7. 5-9V
Result and measures:
Abnormal, go to (2) Check combination instrument assy. speed input signal
Normal, go to (3) Check combination instrument assy.
(2) Check combination instrument assy. speed input signal
a. Check voltage
Prop up two front wheels
Push transmission lever to neutral position
Turn on ignition switch
turn front wheel slowly, measure the voltage between terminal C15 and terminal C16
Standard voltage is shown in the figure below:
Result and measures:
Normal, replace combination instrument assy.
Abnormal, check speed sensorTester connection Condition Standard condition
C 15-ground Normal ON

Check voltage between terminals
Standard:7.5-9V
0Voltage changes alternatively5-12 b. Check speed sensor
Check on state
Check connection between terminals
Standard:Tester connection Conditions Standard condition
3- ground Turn ignition switch to ON position 7. 5-9VTester connection Condition Standard condition
2- ground Normal ON Result and measures:
Abnormal, repair or replace wiring harness or connector
Normal, check speed sensor output signal
c. Check speed sensor output signal
Check voltage
Prop up two front wheels
Push transmission lever to neutral position
Turn on ignition switch
Turn front wheel slowly, measure the voltage between terminal 1 and terminal 2
Standard voltage is shown in the figure below:
Rotating wheel Below 0.5V
Result and measures:
Normal, repair or replace wiring harness or connector
Abnormal, replace speed sensor
(3) Check combination instrument assy.
a. Remove combination instrument assy. , disconnect connector.
b. Check on status
Check connection between terminals
Standard:
Tester connection Condition Standard condition
C 13- ground Normal ONCombination Instrument System -Malfunction Symptom Table and Troubleshooting

5-13 c. Check voltage between terminals
Standard:Tester connectionConditions Standard condition
C 12- ground Turn ignition switch to ON position 7. 5-9V
Result and measures:
Abnormal, repair or replace wiring harness or connector
Normal, replace combination instrument assy.
3. Tachometer fails
Checkout procedure
(1) Check combination instrument assy. rotating speed input
signal
a. Remove combination instrument assy. , keep connection of
connector.
b. Connect oscillograph to terminal C23 and ground.
c. Start up engine
d. Check signal waveform
Standard:
Display correct waveform
Result and measures:
Normal, check and replace combination instrument assy.
Abnormal, check engine ECU rotating speed output signal
(2) Check engine ECU rotating speed output signal
a. Remove engine ECU ware, keep connection of connector.
b. Connect oscillograph to terminal ECU 8# pin and ground.
c. Start up engine
d. Check signal waveform
Standard:
Display correct waveform
Result and measures:
Normal, repair or replace wiring harness or connector
Abnormal, check revolution speed transducer and engine
control system
4. Water thermometer fails
Circuit diagramCombination Instrument System -Malfunction Symptom Table and Troubleshooting combination instrument assy
combination instrument assy engine ECU
coolant Temperature SensorEngine Speed Signal
coolant Temperature Signal

Tester connection Conditions Standard state
C(60°C)164.5±5 ohm
C 24- ground 1/2C(90°C)56±3 ohm
H(115°C)28.7±2 ohmConditions Standard state
C(60°C)164.5±5 ohm
1/2C(90°C)56±3 ohm
H(115°C)28.7±2 ohm5-14 (1) Use diagnostic instrument to read engine water temperature value
a. Connect diagnostic instrument to diagnostic interface
b. Turn on ignition switch
c. Read water temperature value displayed on diagnostic instrument
Standard: the same as actual engine cooling water temperature
Result and measures:
Normal, water thermometer does not fail
Abnormal, check combination instrument assy.
(2) Check combination instrument assy.
a. Check resistance
Remove combination instrument assy. , disconnect connector.
Check connection between terminals
Standard:
Result and measures:
Normal, replace combination instrument assy.
Abnormal, check water temperature sensor
b. Check water temperature sensor
Remove water temperature sensor and put it in thermostat.
Adjust temperature of thermostat and measure resistance value of water temperature sensor
Standard:
Result and measures:
Normal, repair or replace wiring harness and connector
Abnormal, replace water temperature sensor
5. Fuel gauge fails
Circuit diagramCombination Instrument System -Malfunction Symptom Table and Troubleshooting combination instrument assy
Fuel Sensor
Fuel Signal

Analog instrument (Km/h)
Instrument indication Displayed value of detector
20 17-23
40 35-40
60 55-60
80 75-80
100 95-100
120 114-120
140 133-140
160 152-160
180 171-180
Tachometer (r/min) Hand revolution counter (r/min)
800 740-860
1000900-1100
20001850-2150
30002800-3200
40003800-4200
50004800-5200
60005750-6250 Note:
Insufficient or too high tire pressure will increase error.
2. Check input signal
(1) Connect positive pole (+) of voltmeter with terminal C 16, connect negative pole (-) with terminal C15.
(2) When vehicle runs at 10km/h, check the voltage between terminal C15 and C16 of combination instrument
assy.
Standard: 7 high low level fluctuation waveforms per second.
Note:
To check, keep ignition switch in ON position, connector in on state
3. Check tachometer
Check service condition
Start up engine, use hand revolution counter for comparison.
Displayed value of hand revolution counter and indicated value of tachometer are shown in the table on
next page.
Analog instrumentIII. Inspection on vehicle1. Use speedometer detector to check indication error permitted by speedometer, check odometer service
condition.5-18Combination Instrument System -Malfunction Symptom Table and Troubleshooting

Note:
To measure, disconnect the connector.
5. Check water thermometer
(1) Check resistance
When water thermometer indicates water temperature to red area, check the resistance between C24
terminal and C13 terminal on combination instrument connector.
Standard 4. Check fuel gauge
(1) Check resistance
Check resistance between C21 terminal and C13 terminal on combination instrument connector.
Standard:5-19Standard indication
E
Reminder point
1/2F
FResistance (ohm)
104-116
90-100
29-35
1-5
Standard indication
C
1/2H
Alarm point
HResistance (ohm)
159. 5-169. 5
53-59
26. 7-30. 7
20-24
Note:
To measure, disconnect the connector.
6. Check water temperature warning lamp
(1) Disconnect water temperature sensor connector.
(2) Turn ignition switch to ON, water temperature warning lamp should go out.
(3) Ground instrument connector C24 terminal, water temperature warning lamp should illuminate.
7. Check engine oil pressure warning lamp
Disconnect engine oil pressure transducer connector.
Turn ignition switch to ON, engine oil pressure warning lamp should go out.
Use conductor to short connector terminal to earth, engine oil low pressure warning light should illuminate.
8. Check engine oil pressure transducer
Disconnect connector from engine oil pressure transducer
Check connection between terminal and ground
Engine stall: on state
Engine running: off state.Combination Instrument System -Malfunction Symptom Table and Troubleshooting

5-209. Check park warning lamp
(1) Disconnect connector from park switch
(2) Turn ignition switch to ON, park brake warning lamp should go out.
(3) Use conductor to short connector terminal to ground, park brake warning lamp should illuminate.
10. Check park switch
(1) Disconnect connector from park switch
(2) Pull up manual brake, check whether its terminal is connected with ground
Pull up manual brake: on
Manual brake release: off
11. Brake fluid level warning lamp
(1) Disconnect connector from brake fluid level sensor
(2) Turn ignition switch to ON, brake fluid level warning lamp should go out.
(3) Use conductor to connect its connector terminal wiring harness terminals directly, brake fluid level
warning lamp should illuminate.
12. Check brake fluid level warning switch
(1) Remove tank cap
(2) Disconnect connector from tank
(3) Check whether terminals are connected.
Floater on top: off
(4) Use sucker to suck out liquid from tank
(5) Check whether terminals are connected.
Floater down: on state
(6) Pour liquid back into tank
13. Rear defrost indicator lamp
(1) Turn ignition switch to ON, and start up engine
(2) Push down defrost switch, now rear defrost indicator lamp should illuminate
(3) Turn ignition switch to OFF, rear defrost indicator lamp should go out
14. Rear foglight indicator lamp
When rear foglight illuminates, rear foglight indicator lamp should illuminate, now A5 terminal should be high
potential.
15. Safety belt warning indicator lamp
(1) Disconnect safety belt switch connector from driver side, now safety belt warning indicator lamp should
go out.
(2) Short connector terminal to ground, safety belt warning indicator lamp should illuminate.Combination Instrument System -Malfunction Symptom Table and Troubleshooting

Section 2 Audio System Connector Terminal Layout2. Connect terminal definitionAudio System -Audio System Connector Terminal Layout5-401. Connector terminal layout on wire harnessCondition
The audio system is on
The audio system is on
Ignition switch turned to ACC
Constant Status
The audio system is on
The audio system is on
Normal Status
Position lamp switch turned to ON
The audio system is on
The audio system is on
The audio system is on
The audio system is on
Normal Status
Audio system is On
Normal Status
Ignition switch ACC
The audio system is on
The audio system is on
Normal Status Function
FR+
FL+
ACC
B+
FR-
FL-
GND
Null
Mute
TAIL
RR+
RL+
RR-
Null
Null
RL-
B+
BUS
GND
ACC
Null
R-OUT
L-OUTGND(Audio Frequency)Terminal No.
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
B1
B2
B3
B4
B5
B6
C1
C2
C3
C4
C5
C6
C7
C8Wire color
Lg
WB
RY
R
LgR
W
B
V
G W
PB
YR
P
Y WStandard Voltage
Wave form is synchronized with the output sound
Wave form is synchronized with the output sound
10~14V
10~14V
Wave form is synchronized with the output sound
Wave form is synchronized with the output sound
ON
10~14V
Wave form is synchronized with the output sound
Wave form is synchronized with the output sound
Wave form is synchronized with the output sound
Wave form is synchronized with the output sound
10~14V
Pulse Signal
ON
10~14VWave form is synchronized with the output sound
Wave form is synchronized with the output soundON

Suspected Area
1. Wire between CD box and main unit
2. CD box
3. CD bag
4. CD PLAYER main unit
1. Wire between CD box and main unit
2. CD box
1. CD box
2. CD box installation Symptom
CD can not be taken out
Sound quality poor only when playing CD
(Volume faint)
CD sound jumpTester connection Condition Standard state
GND and vehicle earth Normal status ON
Tester connection Condition Standard state
+B and GND Normal status 10-14V
ACC and GND Ignition switch is in ACC or ON 10-14VII. Trouble shooting1. Power switch system does
not work
Circuit diagram
Abnormal, repair or replace wiring harness, connector
Normal, check and replace radio assembly (1) Check radio assembly (+ B, ACC, GND)
a. As shown in the table below, check connection between terminals in each operating condition.
Standard:
b. As shown in the table below, check voltage between terminals in each operating condition.
Standard:Fuse Box in Engine
CompantmentAudio System -Audio System Inspection5-42MAIN
60AFuse Box under
Instrument Panel