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15. White/Blue-- High Gear Signal
CHECK
SPEEDOMETERINSTRUMENT
CLUSTER FUNC-
TION OK?
REPLACE
SPEEDOMETER
N
Y
TEST 7 FUEL GAUGE DISPLAY NOT WORKING
GAIN ACCESS TO FUEL
SENDER WIRING
(PERFORM TEST 2)
REPAIR
WIRES AS
REQUIRED
AND RE-
TEST
GAIN ACCESS TO
BACK OF GAUGE
CHECK CONNECTION
AT GAUGE (PIN #12)
CLEAN CONNECTOR TERMINALS
CHECK RELATED WIRING
START HERE
Y
N
Y
16 Pin Connector
TURN KEY SWITCH OFF
CHECK FOR CONTINUITY ON
PURPLE/WHT
DOES FUEL INDICATOR
WORK?
1. Red-- 12V Ignition Switch
2. Red/White-- 12V ETC and AWD Switch
3. Grey/Orange-- Mode/Override button
4. Black-- Ignition Kill
5. Green-- Diagnostic
(Factory Use Only)
6. Blue-- Diagnostic (Factory Use Only)
7. Yellow/Red-- RPM Input
8. Brown-- Ground
9. Blue White-- Engine Overheat Switch
10. N/C
11. Black/White-- Engine Check Light
12. Purple/White-- Fuel Sender
(if equipped)
13. Brown/Red-- Trans Switch Ground
14. White-- Gear Shift Signal
15. White/Blue-- High Gear Signal
16. Brown/White-- AWD Coil
16 Pin Connector
N
CHECK FOR CONTINUITY
FROM BRN TO GROUND
ARE WIRES OK?
TEST SENDER FOR PROPER OPERATION
REFER TO TEST PROCEDURES IS IT OK?
Y
WIRES FIXED BUT
PROBLEM REMAINS ?
REPLACE TANK ASSEMBLY
N
TEST 8 SHIFT INDICATOR NOT WORKING (TRANSMISSION SWITCH)
Operation:
The Instrument cluster sends a signal through the White wire
to the resistor module. This signal completes it’s path on the
Brown/Red wire through the transmission switch. Depending
on the transmission switch position, the Instrument cluster
interprets the resistance reading and displays the corre-
sponding shift position in the LCD panel.
Testing:
Use the diagram provided to test the continuity loop at each
of the shift points with a multi--meter. NOTE: The Instrument
cluster contains this diagnostic feature.
1. Red-- 12V Ignition Switch
2. Red/White-- 12V ETC and AWD Switch
3. Grey/Orange-- Mode/Override button
4. Black-- Ignition Kill
5. Green-- Diagnostic
(Factory Use Only)
6. Blue-- Diagnostic (Factory Use Only)
7. Yellow/Red-- RPM Input
8. Brown-- Ground
9. Blue White-- Engine Overheat Switch
10. N/C
11. Black/White-- Engine Check Light
12. Purple/White-- Fuel Sender
(if equipped)
13. Brown/Red-- Trans Switch Ground
14. White-- Gear Shift Signal
16. Brown/White-- AWD Coil
Y
ELECTRICAL
10.13
SPEEDOMETER TROUBLESHOOTING