2001 BMW 525i camshaft

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/ On-Board Diaanostics I
Engine diagnostic trouble codes: M62 engine
P-code
PO01 1
PO012
PO020
PO021
PO022
PO030
PO031
PO032
I I
PO038 / 14 I H02S Heater Control Circuit High (Bank 1 Sensor 2)
PO010 / 33 / 'A' Camshaft Position Actuator Circuit (Bank 1)
BMW-FC
I I -.
Explanation
33
33
34
34
34 13
13
13
PO36
'A' Camshaft Position Timing Over-Advanced or System Performance (Bank 1)
'A' Camshaft Position Timing Over-Retarded (Bank 1)
'A' Camshaft Position Actuator Circuit (Bank 2)
'A' Camshaft Position Timing Over-Advanced or System Performance (Banlc 2)
'A' Camshaft Position Timing Over-Retarded (Banlc 2)
H02S Heater Control Circuit (Bank 1 Sensor 1)
H02S Heater Control Circuit Low (Bank 1 Sensor 1)
HOPS Heater Control Circuit Hiqh (Banlc 1 Sensor 1)
PO050
PO051
PO052
PO056
PO057
PO058
PO037 / 14 / H02S Heater Control Circuit Low (Bank 1 Sensor 2)
14
I I -.
Ir-1 ThrottleIPedal Position SensorISwitch 'A' Circuit
Low-
HO2S Heater Control Circuit (Bank 1 Sensor 2)
5
5
5
4
4
4
PO102
PO1 13
PO116
PO117
PO118
PO119
PO120
PO121
H02S Heater Control Circuit (Banlc 2 Sensor 1)
H02S Heater Control Circuit Low (Bank 2 Sensor 1)
H02S Heater Control Circuit High (Bank 2 Sensor 1)
H02S Heater Control Circuit (Bank 2 Sensor 2)
HO2S Heater Control Circuit Low (Bank 2 Sensor 2)
HO2S Heater Control Circuit Hiqh (Bank 2 Sensor 2)
PO103 1115 I Mass or Volume Air Flow Circuit High Input
115
124
123
123
123
123
117
118
PO1 23
PO125
PO128
PO1 30
PO131
POI 32
PO133
Mass or Volume Air Flow Circuit Low Input
lntalte Air Temperature Sensor 1 Circuit High
Engine Coolant Temperature Circuit
RangeIPerlormance
Engine Coolant Temperature Circuit Low
Engine Coolant Temperature Circuit High
Engine Coolant Temperature Circuit Intermittent
ThrottleIPedal Position SensorISwitch 'A' Circuit
ThrottieIPedal Position SensorISwitch 'A' Circuit RanqeIPerformance
118
123 139
10
10
10
15
ThrottleIPedai Position SensorlSwitch 'A' Circuit High
insufficient Coolant Temperature for Closed Loop Fuel Control
Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
02 Sensor Circuit (Bank
1 Sensor 1)
02 Sensor Circuit Low Voltage (Bank 1 Sensor 1)
02 Sensor Circuit High Voltage (Bank
1 Sensor 1)
02 Sensor Circuit Slow Response (Bank 1 Sensor
1)

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On-Board ~ia~nosticsl
I I
PO340 1113 I Camshaft Position Sensor 'A' Circuit (Bank 1 or Single Sensor)
Engine
diagnostic trouble codes:
M62 engine (continued)
P-code
PO342
PO343
PO345
PO347
PO348
PO363
PO370
PO41 2
PO335 I111 I Crankshaft Position Sensor 'A' Circuit
BMW-FC
I I -
I I -
PO445 1 98 1 Evaporative Emission System Purge Control Valve Circuit Shorted
Explanation
113
113
114
114
114
62 112
85
PO41 3
PO41 8
PO420
PO430
PO440
PO442
PO442
PO443
PO444
Camshaft Position Sensor 'A' Circuit Low (Bank 1 or Single Sensor)
Camshaft Position Sensor
'A' Circuit High (Bank 1 or Single Sensor)
Camshaft Position Sensor
'A' Circuit (Bank 2)
Camshaft Position
Sensor'A' Circuit Low (Bank 2)
Camshaft Position Sensor 'A' Circuit High
(Banic 2)
Misfire Detected
- Fueling Disabled
Timing Reference High Resolution Signal
'A'
Secondary Air lniection System Switchinq Valve A Circuit
PO41 4 / 85 I Secondary Air Injection System Switching Valve A Circuit Shorted
85
84
40
45 93 183
188
98
98
PO450
PO452
PO453
PO455
PO456
PO491
PO492
PO500
PO506
I I
PI102 1163 I Idle Control System, Adaptation of Unmetered Air Mass Too Low
Secondary
Air Injection System Switching Valve A Circuit Open
Secondary Air Injection System Control
'A' Circuit
Catalyst System Efficiency Below Threshold (Bank 1)
Catalyst System Efficiency
Below Threshold (Bank 2)
Evaporative Emission System
Evaporative Emission System Leak Detected (small
leak)
Evaporative Emission System Leak Detected (small leak)
Evaporative Emission System Purge Control Valve Circuit
Evaporative Emission System Purqe Control Valve Circuit Open
I
I
185
185
185
183
187
80
81 120
32
PO507
Evaporative Emission System Pressure SensorISwitch
Evaporative Emission System Pressure SensorISwitch Low
Evaporative Emission System Pressure
SensorISwitch High
Evaporative Emission System
Leaic Detected (large leak)
Evaporative Emission System
Leal$ Detected (very small leak)
Secondary Air Injection System Insufficient Flow (Bank
1)
Secondary Air Injection System insufficient Flow (Bank 2)
Vehicle Speed Sensor
'A'
idle Air Control System RPM Lower Than Expected
PI103
PI130
PI131
PO600 1 220 I Serial Communication Link
32
idle Air
Control System RPM Higher Than Expected
163
17
23
Idle Control System, Adaptation of Unmetered Air Mass Too Large
02 Sensor Circuit Dynamic Test (Bank
1 Sensor 2)
02 Sensor Circuit Dynamic Test (Bank 2 Sensor 2)

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On-Board ~ia~nosticsl
Engine diagnostic trouble codes: M62 engine (continued)
P-code
I I -
I I - -.
PI445 1186 / Diagnostic Module Tank Leakage (DM-TL) Pump Control Circuit Signal Low
PI357
PI382
PI386
PI413
PI414
PI441
PI442
PI443
PI444
P1356 1 53 I Misfire during Start Cylinder 8
BMW-FC
I P1523
I
I - -
1165 I 'A' Camshaft Position Actuator Signal Low (Banlc 1)
Explanation
P1381 1215 I Control Module Self-Test, Knock Control Onset (Bank 1)
53
21 6
21 4
84
84
1
1
1
186
PI 446
PI 447
PI 448
PI449
PI 450
PI451
PI452
PI476
Misfire Cylinder 8 with Fuel Cut-Off
Control Module Self-Test, Knock Control Test Pulse (Bank 1)
Control Module Self-Test, Knock Control Circuit Baseline Test (Bank 1)
Secondary Air Injection Pump Relay Control Circuit Signal Low
Secondary Air Injection Pump
Relay Control Circuit Signal High
Leakage Diagnostic Pump Control Open Circuit
Leakage Diagnostic Pump Control Circuit Signal Low
Leakage Diagnostic Pump Control Circuit Signal High
Diagnostic Module Tank Leakage (DM-TL) Pump Control Open Circuit
186
189
189
189
2
2
2
184
P1524
P1525
P1526
PI527
PI528
PI633
PI 634
PI 635
I I
PI 638 / 131 I Throttle Valve Position Control Throttle Stuck Temporarily
. -
Diagnostic Module Tank Leakage (DM-TL) Pump Control Circuit Signal High
Diagnostic Module
Tank Leakage (DM-TL) Pump Current Too High during Switching Solenoid Test
Diagnostic Module Tank Leakage (DM-TL) Pump Current Too Low
Diagnostic Module
Tank Leakage (DM-TL) Pump Current Too High
Diagnostic Module Tank Leakage (DM-TL) Switching Solenoid Control Open Circuit
Diagnostic Module
Tank Leakage (DM-TL) Switching Solenoid Control Circuit Signal Low
Diagnostic Module
Tank Leakage (DM-TL) Switching Solenoid Control Circuit Signal High
Leakaqe Diaqnostic Pump Clamped Tube
I I
165
165
166
166
166
136
133
134
'A' Camshaft Position Actuator Control Circuit Signal High (Banlc 1)
'A' Camshaft Position Actuator Control Open Circuit (Bank 1)
'A' Camshaft Position Actuator Control Open Circuit (Bank 2)
'A' Camshaft Position Actuator Control Circuit Signal Low (Bank 2)
'A' Camshaft Position Actuator Control Circuit Signal High (Bank 2)
Throttle Valve Adaptation Limp-Home Position Unknown
Throttle Valve Adaptation Spring Test Failed
Throttle Valve Adaptation Lower Mechanical Stop not Adapted
Throttle Valve Control Circuit
PI 636
PI639
P1643
P2088
P2089
PI 637 / 130 I Throttle Valve Position Control, Control Deviation
132
131
135
165
165 Throttle
Valve Position Control Thronle Stuck Permanently
Throttle Valve Actuator Start Test Amplifier Balancing Plausibility
'A' Camshaft Position Actuator Control Circuit Low (Banlc 1)
'A' Camshaft Position Actuator Control Circuit High (Bank 1)

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/ On-Board Diaanostics
Engine diagnostic trouble codes: M62 engine (continued)
P-code
I I
P2189 1 29 / System Too Lean at Idle (Bank 2)
P2093
P2096
P2098
P2177
P2178
P2179
P2180
P2092 / 166 I 'A' Camshaft Position Actuator Control Circuit Low (Bank 2)
BMW-FC
I I
P2273 / 23 1 02 Sensor Signal Stuck Rich (Bank 2 Sensor 2)
Explanation
166
225
226
26
26
27
27
P2190
P2191
P2192
P2193
P2194
P2270
'A' Camshaft Position Actuator Control Circuit High (Bank 2)
Post Catalyst Fuel Trim System Too Lean (Bank 1)
Post Catalyst Fuel Trim System Too Lean (Bank 2)
System Too Lean Off Idle (Bank 1)
System Too Rich Off Idle (Bank 1)
System Too Lean Off idle (Bank 2)
System Too Rich Off Idle (Bank 2)
29
24
24
25 25 17
System Too Rich at Idle (Bank 2)
System Too Lean at Higher Load (Bank 1)
System Too Rich at Higher Load (Bank 1)
System Too Lean at Higher Load (Banlc 2)
System Too Rich at Higher Load (Bank 2)
02
Sensor Signal Stuck Lean (Bank 1 Sensor 2)

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2 INDEX
Battery, starter, alternator
alternator (generator)
121-10
6-cylinder engine, removingi
installing 121-15
M62 engine 121-16
M62 TU engine (water cooled)
121-18
battery
121-5 charging 121-9
safety terminal 121-3
testing 121-5 charging system, troubleshooting
121-12
starter
121-1 9
6-cylinder engine, removingi instaliinq 121-20 . V-8 engine, rernovinglinsialiing
121-21
solenoid, removinglinstalling
121-23 troubleshooting 121-19
see also Maintenance
Bearing, wheel
see Front suspension
see also Rear suspension
Belts see Maintenance, drive belts
Blade, wiper
see Wipers and Washers
Blower motor see
A/C
BMW emblem
see Exterior trim
BMW special tools 010-18 see also special tools section at
beginning
of each repair group
Body dimensions 400-2
interior features
400-9 salety and security 400-7
Body side molding
see Exterior trim
Bonnet see Engine hood
Boot see Trunk
Brake fluid
020-24, 340-8
Brake fluid pressure sensor
340-30
Brakes
ABS, ASC or DSC system
300-12
component replacement 340-26
ASCIDSC switch
see Switches
bleeding
bralces 340-8
brake booster 340-1 9 bralce Dads. caiioers and rotors ,., 340-1 1
descriotion 300-10
e~ectrdnic brake & stability 300-11
light switch
see Switches
master cylinder
340-16 pariking brake 340-22
troubleshooting 340-5
Bulbs see Lights
Bumper
lront 510-6 height, adjusting 510-12
rear 510-9
Bus system
600-4
Camber
320-33
Camshaft
removingiinslaiiing
M52 engine 116-12
M52 TU
/ M54 engine 116-1 9 M62 engine 11 6-39
wear
116-6
Camshaft position sensors
see ignition system
Camshaft timing chain
adjusting M52 engine
117-22
M52 TU I M54 engine 117-43
M62 engine 117-79 removinglinstalling
M52 engine 117-26
M52TU 1 M54 engine 113-46.116-
28
M62 engine 117-66
Capacities, fluid
020.10
Car rnemorvlicev memorv . . 600-10
see also Centrai
lociking
Carbon canister, activated
see Fuel
tank
Caster
320-33
Catalytic converter and oxygen sensor 020-19
see also Exhaust system: exhaust
manilolds
Cautions
001-3
CD changer
650-4
Center bearing, driveshaft
see Driveshait
Center brake light
sedan
630-13
Center console
513-3
Centrai body electronics (ZKE 111)
600-6
Central locking
car memoryiey memory 515.12 general module iunctions 515-2
remote entry (FZV) 515-8
remote lkey initialization 515-10 single lociddouble ioclk 515-6
switch 515-4
Chain
see Camshaft liming chain
Characteristic map (electrically heated) thermostat
see Electrically heated thermostat
Charging system
see Battery, starter, alternator
Cluster see instruments
Clutch fluid see Maintenance
hydraulics
210-4
mechanical 210-9
switch
see Switches, pedal ciuster
variations
210.10
Codes, fault OED-1
Coil
see Ignition system
Coil spring
see Front suspension
see also Rear
suspe nsion

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Gaskets and seals 01
0-9
Gearshift automatic transmission
adjusting
250-7
shift interiock. checkino function " 250-9
shiftloclc. checicino function 250-8 - manual transmission
gearshift lever, removingiinstalling
250-5
steptronic 250-7
General module (GM Ill)
600-8
see also Central locking
Generator see Battery, starter, alternator
Glass see Door window
Glove compartment
513-16
see also
Global positioning system
(GPS)
620-9
Grill
see Exterior trim
Grounds
100-5
Guide link
see Rear suspension, suspension
arms
Halogen headlight
630-5
Hand brake
see Brakes, pariring brake
Handle, door
see Door
locks
Hatch seeTailgate
Hazard warning switch
see Switches Headlight
housing trim
see Exterior trim
washer611-17 see also Lights
Headlight spray
nozzle
611-17
Headlight switch
see Switches
Heater core
see Heating
Heater valve
see Heating
Heating lieater core, replacing
640-18
lheater core temperature sensor,
removingiinstalling
640-12 heater valve, replacing 640-17
IHKA housing, removinglinstallin~
640-21
see also NC
Hood
410-6
Hood latch and release
410-10
Hydraulic valve lifters
see Cylinder head and valvetrain
IAT
(lntalce air temperature) sensor
see 130
under appropriate fuel
injection system
idle speed control valve
see 130
under appropriate fuel injection system
Idle stabilizer
see 130
under appropriate fuel
injection system, idie speed controi
valve
idler arm
320-30
lgnition coll
see lgnition system
lgnition interlock
320-13
lgnition lock cylinder
removingiinstalling
320-1 1. 612-4
lgnition switch
seeSwifches
Ignition system
diagnosis checking for
spark 120-10
disabling ignition system 120-10 misfire detection 120-6
oscilioscope diagrams 120.6
troubleshooting 120-6
camshaft position sensors 120-14 coils 120.10
crankshaft speed sensor 120-12 firing order 120-9
knoclc sensors 120-16
IHKA
see NC
IHKR see NC
Injector
see 130 under appropriate
fuel
injection system, luel injector
Input shaft
oil seal
see Manual transmission, oil seals
Inspection
see Maintenance
Instruments GPS see Global positioning system
(GPSI layout 6202
removingiinstalling 620-8 self-testing 620-6
Intake air temperature sensor (IAT)
see 130 under appropriate fuel
injection system
Intake manifold
removingiinstalling
6-cvlinder enoine 110-10. 113-8. 113-22 -
V-8 engine (M62) 113-56
Integral link
see Rear suspension, suspension
arms
lnterior lights
see Lights
lnterior protection
(FISIUIS) 515-25
lnterior trim
513-13
lnterior ventilation microfilter see
NC, ventilation microfiller

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Steering description 300-10
liuid see Maintenance
gearbox
320-25
idler arm 320-30
lock 320-12
pitman arm 320-28 power steering pump 320-17
rack & pinion 320-19
steering column 320-10 motors 320-16
removinglinstalling 320-14
trim 320-10
steerino wheei 320-7 tie rods-
6-cvlinder, reelacinq 320-22
V- center tie' rod, replacing 320-32
variations 310-5
Steering box
see Steering, gearbox
Steering column switches
see Switches
Steering column
see Steering
Steering lock
see Steering
Steering
wheei switches
see Switches
Stepper motor
see
AIC
Steptronic transmission
see Gearshift
Strut see Front suspension
see also Rear suspension
Subframe see Rear suspension
Sunroof initializing
540-2
adiustinq 540-5 . . cornponents, removingiinstailing
540-9
emergency closing 540-4
Suspension, front
see Front suspension
see also
Aluminum suspension
cornponents
Suspension, rear
see Rear suspension
see also Aluminum suspension
cornponents
Swing arm
see Rear suspension, suspension
arms
Switches
ASCIDSC 612-12 back-ue
manual transmission 230-8
automatic transmission, see
Automatic transmission, range
switch
center console switches
612-11
central ioci(ing 612-1 1
hazard 612-1 I headlight 612-9
ignition cylinder 320-1 1. 612-6
outside mirror 612-11
pedal cluster switches 612-8 seat heater 612.12
steering column positioning 612-7
steering column switches 612-6 steering wheel switches 612-2
turn signaliheadlight dimmer 612-6
window 612-1 1
wipers 612-6
Tailgate
412-6 emergency release 400-4,412-6,
515-21
taiigatelrear window
loclring 515-14 see also Trunldtaiioate ioclr - see also Central ioclcing
Taillights
see Lights
Tape player
650-3
TCM (transmission control module)
see Automatic transmission
Tension strut
see Front suspension
Thermostat see Cooling system
see also Electrically heated
thermostat
Throttie body
see 130 under appropriate
fuel injection system
Throttie
cable
130-38
Throttie position sensor
see 130 under appropriate luel
injection system
Throw-out bearing
see Clutch, mechanical
Thrust arm
see Front suspension
Tie rod
see Steering
Tightening fasteners
010-8
Tilt sensor 515-24
Timing chain
see
Camshaft timing chain
Tire, changing
010-18
Tires
300-1 1
see also Maintenance
Toe
320-34
Tools
010-13