Land Rover Discovery Etm 1995 2nd Edition Rover Manual
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ELECTRICAL TROUBLESHOOTING MANUA L
A4 ETM
300Tdi with EDC
12
DISCOVERY
2.0 GOP126
Fascia Fuse Box
15
F 1
15A
S2011
Z132
Engine Control
Module (ECM) 1 C2063
1.0 GP
Stop Lamps 21 C204
S2042
See Fuse Details
0.5 GO
2 C2063
HJ4
26 C243
Stop Lamps
1 C20031 C227
X168
Stop Lamp
Switch
[1] Brake Pedal
Depressed
[2] Brake Pedal
Further De-
pressedX168
Stop Lamp
Switch
[1] Brake Pedal
Depressed
0[1][1]
[2]
0
1 C2004 12 C227
1.0 GP
1.0 GP
Z206
Stop Lamp
Switch Sup-
pressor
HJ1
1.0 GO
Without ABSWith ABS
S2055
HJ4...](http://img.usermanuals.tech/thumb/2848/48430/w64_discovery-etm-1995-2nd-edition-rover-46.png "Page 47
ELECTRICAL TROUBLESHOOTING MANUA L
A4 ETM
300Tdi with EDC
12
DISCOVERY
2.0 GOP126
Fascia Fuse Box
15
F 1
15A
S2011
Z132
Engine Control
Module (ECM) 1 C2063
1.0 GP
Stop Lamps 21 C204
S2042
See Fuse Details
0.5 GO
2 C2063
HJ4
26 C243
Stop Lamps
1 C20031 C227
X168
Stop Lamp
Switch
[1] Brake Pedal
Depressed
[2] Brake Pedal
Further De-
pressedX168
Stop Lamp
Switch
[1] Brake Pedal
Depressed
0[1][1]
[2]
0
1 C2004 12 C227
1.0 GP
1.0 GP
Z206
Stop Lamp
Switch Sup-
pressor
HJ1
1.0 GO
Without ABSWith ABS
S2055
HJ4...")
ELECTRICAL TROUBLESHOOTING MANUA L A5 ETM 300Tdi with EDC Glow Plug Control 4 DISCOVERY 30 E103 87 86 85 50 L 4 0.5 B 15 F 3 10 AP127 Satellite Fuse Box 1 15 F 14 10 A See Ground Dis- tribution 3 6 C159 6.0 YBP126 Fascia Fuse Box P119 Fusible Link 30 6.0 NO60 A S114 5 C159 2 1 S1160.7 WG 1.0 WG 7 C216 B 0.5 WR See Fuse Details P120 Glow Plugs 12 3 4 A5-3Z142 Instrument Cluster See Fuse Details 5 C208 2 C222 7 C221 6 C209 12 C217 0.5 BY 2.0 N Z135 Glow Plug Timer Unit 0.5 PO 0.7 WG 0.5 WG
STARTING AND CHARGING 1 ETM B1 DISCOVERY ELECTRICAL TROUBLESHOOTING MANUAL CIRCUIT OPERATION 655+/) 5* )/+5+0/ 8+5%* ! +/ 104+5+0/ #11-+4 $#553: 70-5#) 50 5* 5#353 0-/0+& -#: * 5#353 0-/0+& -#: /3)+;4 #/& #11-+4 $#553: 70-5#) 50 5* 5#353 0-/0+& #/& 5#353 / .#/6#- 53#/4.+44+0/ 7*+%-4 26+11& 8+5* # 5*(5 #-#3. 5* *(5 -#3. /+5 1307+&4 # )306/& %+3%6+5 50 5* 5#353 0-/0+& -#:4 53.+/#- / #650.#5+% 53#/4.+44+0/ 7*+%-4 26+11& 8+5* # 5*(5 #-#3. 5* *(5 -#3. /+5 1307+&4 # )306/& %+3%6+5 50 5* 5#353 0-/0+& -#:4 53.+/#- 7+# 5* #3,653#- 04+5+0/ 8+5%* ! ( 5* 5*(5 #-#3. +4 #%5+7#5& 5* *(5 -#3. /+5 8+-- +/533615 5* 5#353 0-/0+& -#:4 )306/& 1#5* #/& 137/5 45#35+/) 5* /)+/ 03 7*+%-4 /05 26+11& 8+5* *(5 -#3. # $-#%, 8+3 +4 64& 50 4*035 1+/4 #/& 0( */ 5* )/+5+0/ 8+5%* ! +4 +/ 104+5+0/ $#553: 70-5#) +4 #11-+& 50 5* %*#3)+/) 4:45. (#6-5 -+)*5 */ 5* /3#503 +4 $+/) 563/& $: 5* /)+/ +54 45#503 8+/&+/)4 #3 9%+5& $: 70-5#) #11-+& 50 5* /3#503 7+# 5* %*#3)+/) 4:45. (#6-5 -+)*5 * /3#503 $)+/4 50 130&6% -%53+%+5: +/ 03&3 50 %*#3) 5* 7*+%- #553: ( 5* /3#503 (#+-4 50 130&6% 1083 5* /3#503 )306/&4 5* (#6-5 -+)*5 %0/530- 8+3 %#64+/) 5* %*#3)+/) 4:45. (#6-5 -+)*5 50 )-08 * 5#%*0.53 &+41-#:4 /)+/ 41& +/ 31. 0-5#) 16-44 #3 5#,/ (30. 5* /3#503 #/& #3 )/3#5& 8*/ 5* /)+/ &3+7 $-5 563/4 5* /3#503 16--: * 5#%*0.53 3410/&4 50 5* (326/%: 0( 5* 70-5#) 16-44 8*+%* +/%3#44 1301035+0/#--: 50 5*#5 0( 5* /)+/ 41&
ELECTRICAL TROUBLESHOOTING MANUA L
B1 ETM
2
DISCOVERY
Starting and Charging
0.5 BO
B1-3
0
IIIIII
50X134
Ignition Switch
F17
10 A
30MF 5
60 A
2.0 NR
C159 1 1.0 NR
87 86 C2006
3085 C2006 0.5 WR 20 C204
S233
3.0 NW3.0 NWP125
Engine Compart-
ment Fuse Box
1 C219 3.0 WR
Z158
Starter Relay
DiodeP126
Fascia Fuse Box
300Tdi without
EDCPetrol
4 C21630
Z135
Glow Plug Timer
Unit
0.5 BY
See Power Dis-
tribution
2C114
30 85
86 87
300Tdi with EDC
C159 1 0.5 WR
Z135
Glow Plug Timer
Unit
3.0 WR
3.0 WR
ELECTRICAL TROUBLESHOOTING MANUAL ETM B1 Starting and Charging 3 DISCOVERY K110 Cruise Control Lockout Relay K151 Interlock Relay 2 S2005 85 C2001 0.5 YB Z190 Interlock Diode 2 With Shift Inter- lock85 C2021 2 C218 10 C105 1 C274 0.5 BY 0.5 BY0.5 BY 85 85 Not used Automatic Trans- missionManual Trans- mission Manual Trans- mission 0.5 BOB1-2 B B1-4 Automatic Trans- missionHJ2 11 C105 E201 See Ground Dis- tribution Except Japan Japan A 2 C274 E201 Z163 Theft Alarm UnitFor vehicles not equipped with Theft Alarm or Central Locking, a blank wire is used to short pins 1 and 2 of C274. See Ground Dis- tribution * *
ELECTRICAL TROUBLESHOOTING MANUA L B1 ETM 4 DISCOVERY Starting and Charging P R N D123 Z132 Engine Control Module (ECM) 34 C243 0.5 OB Not used Diesel MFI±V8 10 C217 0.5 OB Z185 Power Mirror Diode 0.5 RY0.5 BY 9 C105 0.5 YB 0.5 BY 5 C323 X167 Park/Neutral Position Switch 0.5 BG 4 C323 1 C2740.5 BY B B1-3 S322 0.5 BO Not used 12 C105 11 C105 E201 See Ground Dis- tribution Except JapanJapan S2025300Tdi without EDC 300Tdi with EDC 2 C274 E201 Z163 Theft Alarm UnitFor vehicles not equipped with Theft Alarm or Central Locking, a blank wire is used to short pins 1 and 2 of C274. See Ground Dis- tribution* *
ELECTRICAL TROUBLESHOOTING MANUAL ETM B1 Starting and Charging 5 DISCOVERY B1-2 C P104 Battery 25.5 B E100 30 C157 M134 Starter 1 See Ground Dis- tribution K136 Starter Solenoid See Power Dis- tribution 40.0 B Diesel Petrol 25.0 R40.0 R Diesel Petrol3.0 WR2.0 NR Petrol 300Tdi with EDC 300Tdi without EDC
ELECTRICAL TROUBLESHOOTING MANUA L B1 ETM 6 DISCOVERY Starting and Charging B1-7 D See Power Dis- tribution P125 Engine Compart- ment Fuse BoxMFI±V8 Z106 Generator [1] Voltage Regulator Phase Tap ResistorZ182 Generator Sup- pression Capacitor Z149 EGR Valve Control Module Petrol300Tdi with EGR P104 Battery B+ WD+ [1] See Ground Dis- tribution E100 820 2.2 F 25.5 B 10.0 N 15.0 N0.7 NY 1.0 NY C147 1 0.5 WSC163 1 0.5 WS 0.5 WS C247 36 C217 2 MF 1 100 A E B1-7 40.0 B Petrol C163 1 0.5 WS 1.0 WS MFI±T16 with Air Conditioning MFI±T16 without Air Conditioning MFI±V8 MFI±T16300Tdi without EGR 300Tdi with EDC Diesel300Tdi
ELECTRICAL TROUBLESHOOTING MANUAL ETM B1 Starting and Charging 7 DISCOVERY B1-6 15 F 14 10 A 0.5 WS E200C222 See Ground Dis- tributionP126 Fascia Fuse Box C208 5 0.5 LG S2049 S214 Z142 Instrument Cluster [2] Tachometer [8] CPU C221 5 0.5 NY See Fuse Details E B1-6 C215 24 [2] C207 5 0.5 B 0.5 B S207C227 110 [8] C222 2 C215 2 D C217 17
STARTING AND CHARGING 8 B1 ETM DISCOVERY ELECTRICAL TROUBLESHOOTING MANUA L TROUBLESHOOTING HINTS 1. If the Starter Solenoid (K136) does not click, check the Park/Neutral Position Reverse Switch (X167) and the Theft Alarm Unit (Z163). SYSTEM DIAGNOSIS 1. If the Starter Solenoid (K136) does not click and the engine does not crank, do Test A. 2. If the Starter Solenoid (K136) clicks but the engine does not crank or cranks slowly, do Test B. 3. If the charge warning light does not light with the engine off and the Ignition Switch (X134) in position II, do Test C. 4. If the charge warning light stays lit with the engine running, do Test D.
ELECTRICAL TROUBLESHOOTING MANUAL
ETM B1
Starting and Charging
9
DISCOVERY
!
$
$
%
K137
Starter Solenoid
Relay
K137
Starter Solenoid
Relay
%
%
%
$ #!