SsangYong Musso. Service manual — part 112
1F-32 ENGINE CONTROLS
SSANGYONG Y158
1. Turn the ignition OFF.
2. Disconnect the Crankshaft Position (CKP) sensor
connector.
3. Turn the ignition ON.
4. Measure the resistance between the CKP sensor
terminal 1 and 2.
Does the voltage measure near the value specified?
Measure the voltage between the CKP sensor connector
terminal 1 and ground.
Does the voltage measure near the value specified?
Measure the voltage between the CKP sensor connector
terminal 2 and ground.
Does the voltage measure near the value specified?
Check for an open or short in the wire between the CKP
sensor connector terminal 1 and the Engine Control
Module (ECM) connector terminal 100.
Check for an open or short in the wire between the CKP
sensor connector terminal 2 and the ECM connector
terminal 99.
Repair the wiring as needed.
Is the repair complete?
1. Turn the ignition OFF.
2. Replace the CKP sensor.
Is the repair complete?
1. Turn the ignition OFF.
2. Disconnect the ignition coil No. 1.
3. Connect a test light between terminal 1 of the
ignition coil No. 1 connector and ground.
4. Turn the ignition ON.
Is the test light on?
Check for open or short in the wire between ignition coil
No. 1 connector terminal 2 and ECM connector terminal
71 and repair as necessary.
Is the repair complete?
1. Turn the ignition OFF.
2. Disconnect the fuel injector harness connectors
3. Install a spark tester on cylinder #2 spark plug.
4. Crank the engine and check for spark.
5. Repeat the above procedure on cylinder #5.
Is a spark observed on two spark plug cables?
Measure the resistance of the spark plug cable that the
spark plug tester did not spark.
Is the resistance of the spark plug cable between the
special value?
1. Turn the ignition OFF.
2. Replace ignition coil No. 1.
Is the repair complete?
Replace the spark plug cable
Is the repair complete?
Engine Crank But Will Not Run (3.2L DOHC) (Cont’d)
Step
Action
Value(s)
Yes
No
11
12
13
15
14
18
19
16
17
1,090 ± 164 K
Ω
Go to Step 12
Go to Step 17
0 v
Go to Step 13
Go to Step 14
0 v
Go to Step 18
Go to Step 15
-
Go to Step 16
Go to Step 37
-
Go to Step 16
Go to Step 37
-
Go to Step 2
-
-
Go to Step 2
-
-
Go to Step 19
Go to Step 24
-
Go to Step 2
Go to Step 20
-
Go to Step 25
Go to Step 21
1.8 - 2.2 K
Ω
Go to Step 22
Go to Step 23
-
Go to Step 2
-
-
Go to Step 2
-
20
21
22
23
ENGINE CONTROLS 1F-33
SSANGYONG Y158
Check for a short circuit or open in the wire between
ignition coil No. 1 terminal 1 and Over Voltage
Protection Relay (OVPR) connector terminal 8 and
repair as necessary.
Is the repair complete?
1. Turn the ignition OFF.
2. Disconnect the ignition coil No. 2.
3. Connect a test light between terminal 1 of the
ignition coil No. 2 connector and ground.
4. Turn the ignition ON.
Is the test light on?
Check for open or short in the wire between ignition coil
No. 2 connector terminal 2 and ECM connector terminal
72 and repair as necessary.
Is the repair complete?
1. Turn the ignition OFF.
2. Disconnect the fuel injector harness connectors.
3. Install a spark tester on cylinder #3 spark plug.
4. Crank the engine and check for spark.
5. Repeat the above procedure on cylinder #4.
Is a spark observed on two spark plug cables?
Measure the resistance of the spark plug cable that the
spark plug tester did not spark.
Is the resistance of the spark plug cable between the
special value?
1. Turn the ignition OFF.
2. Replace ignition coil No. 2.
Is the repair complete?
Check for a short circuit or open in the wire between
ignition coil No. 2 terminal 1 and Over Voltage
Protection Relay (OVPR) connector terminal 8 and
repair as necessary.
Is the repair complete?
1. Turn the ignition OFF.
2. Disconnect the ignition coil No. 3.
3. Connect a test light between terminal 1 of the
ignition coil No. 3 connector and ground.
4. Turn the ignition ON.
Is the test light on?
Check for open or short in the wire between ignition coil
No. 3 connector terminal 2 and ECM connector terminal
70 and repair as necessary.
Is the repair complete?
1. Turn the ignition OFF.
2. Disconnect the fuel injector harness connectors.
3. Install a spark tester on cylinder #1 spark plug.
4. Crank the engine and check for spark.
5. Repeat the above procedure on cylinder #6.
Is a spark observed on two spark plug cables?
Engine Crank But Will Not Run (3.2L DOHC) (Cont’d)
Step
Action
Value(s)
Yes
No
24
25
26
28
27
31
33
29
30
-
Go to Step 26
Go to Step 30
-
Go to Step 2
Go to Step 27
-
Go to Step 31
Go to Step 28
-
Go to Step 2
-
-
Go to Step 32
Go to Step 36
-
Go to Step 2
Go to Step 33
1.8 - 2.2 K
Ω
Go to Step 29
Go to Step 23
-
Go to Step 2
Go to “OVPR
Circuit Check”
-
Go to Step 2
Go to “OVPR
Circuit Check”
32
-
Go to Step 2
Go to Step 34
1F-34 ENGINE CONTROLS
SSANGYONG Y158
Measure the resistance of the spark plug cable that the
spark plug tester did not spark.
Is the resistance of the spark plug cable less than the
special value?
1. Turn the ignition OFF.
2. Replace ignition coil No. 3.
Is the repair complete?
Check for a short circuit or open in the wire between
ignition coil No. 3 terminal 1 and Over Voltage
Protection Relay (OVPR) connector terminal 8 and
repair as necessary.
Is the repair complete?
1. Turn the ignition OFF.
2. Replace the ECM.
Is the repair complete?
1. Turn the ignition OFF.
2. Connect a fuel pressure gauge.
3. Crank the engine.
Is any fuel pressure present?
1. Turn the ignition OFF.
2. Disconnect the electrical connector at the fuel pump.
3. Connect a test light between the fuel pump
connector terminals 2 and 3.
4. Turn the ignition ON.
5. With the ignition ON, the test light should light for
the time specified.
Is the test light on?
Replace the fuel pump.
Is the repair complete?
Is the fuel pressure within the value specified?
1. Check the fuel filter for a restriction.
2. Inspect the fuel lines for kinks and restrictions.
Is the problem found?
1. Replace the fuel filter and/or the fuel lines as needed.
2. Connect a fuel pressure gauge.
3. Crank the engine.
Is the fuel pressure within the value specified?
1. Disconnect the vacuum line from the fuel pressure
regulator.
2. Inspect the vacuum line for the presence of fuel.
3. Inspect the fuel pressure regulator vacuum port for
the pressure of fuel.
Is any fuel present?
Check the fuel for contamination.
Is the fuel contamination?
Step
Action
Value(s)
Yes
No
40
41
42
230 - 380 kPa
(46 - 55 psi)
Go to Step 45
Go to Step 42
43
-
Go to Step 2
-
-
Go to Step 43
Go to Step 44
230 - 380 kPa
(46 - 55 psi)
Go to Step 2
Go to Step 44
Engine Crank But Will Not Run (3.2L DOHC) (Cont’d)
34
36
1.8 - 2.2 K
Ω
Go to Step 35
Go to Step 23
-
Go to Step 2
-
35
44
45
-
Go to Step 46
Go to Step 61
-
Go to Step 47
Go to Step 48
-
Go to Step 2
Go to “OVPR
Circuit Check”
-
Go to Step 2
-
-
Go to Step 41
Go to Step 39
1 sec
Go to Step 40
Go to Step 50
37
38
39
ENGINE CONTROLS 1F-35
SSANGYONG Y158
1. Remove the contaminated fuel from the fuel tank.
2. Clean the fuel tank as needed.
Is the repair complete?
Replace the fuel pressure regulator.
Is the repair complete?
1. Remove the fuel pump assembly from the fuel tank.
2. Inspect the fuel pump sender and the fuel coupling
hoses for a restriction.
3. Inspect the in-tank fuel filter for a restriction.
Is the problem found?
Replace the fuel pump sender, the in-tank fuel filter
and/or the fuel coupling hoses as needed.
Is the repair complete?
1. Turn the ignition OFF.
2. Disconnect the electrical connector at the fuel pump.
3. Connect a test light between the fuel pump
connector terminal 2 and a known good ground.
4. Turn the ignition ON.
5. With the ignition ON, the test light should light for
the time specified.
Is the test light on?
Repair the open wire between the fuel pump
connector terminal 3 and ground.
Is the repair complete?
1. Turn the ignition OFF.
2. Disconnect the fuel pump relay.
3. Connect a test light between the fuel pump relay
connector terminal 86 and ground.
4. Turn the ignition ON.
Is the test light on?
1. Turn the ignition OFF.
2. Connect a test light between the fuel pump relay
connector terminal 85 and battery positive.
3. Turn the ignition ON.
4. With the ignition ON, the test light should light for
the time specified.
Is the test light on?
1. Turn the ignition OFF.
2. Connect a test light between the fuel pump relay
connector terminal 30 and ground
Is the test light on?
Check for open between the fuel pump relay connector
terminal 87 and fuel pump connector terminal 3 and
repair as necessary.
Is the repair complete?
Replace the fuel pump relay.
Is the repair complete?
Step
Action
Value(s)
Yes
No
Engine Crank But Will Not Run (3.2L DOHC) (Cont’d)
47
46
-
Go to Step 2
-
-
Go to Step 2
-
48
-
Go to Step 49
Go to Step 40
49
-
Go to Step 2
-
1 sec
Go to Step 51
Go to Step 52
-
Go to Step 2
-
50
51
52
53
54
55
-
Go to Step 55
Go to Step 60
56
1 sec
Go to Step 54
Go to Step 58
-
Go to Step 2
Go to Step 56
-
Go to Step 2
-
-
Go to Step 53
Go to Step 57
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