Holden Engine Troubleshooter Reference Manual - Snap-on Australia

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H022Quad Driver Circuit CheckDisconnect PCM connector and switch ignition on.Check for battery voltage at PCM pin F4 (green/black). If not check circuit from A/C comprelay to pin F4 for open or short.If battery voltage at pin F4, check for battery voltage at pin F5 (blue) with ignition on. If notcheck circuit from start relay to PCM pin F5.If battery voltage at pin F5, check for battery voltage at PCM pin F6 (blue/white) with ignitionon. If not check circuit from fan relay to PCM pin F5 for open or short.If battery voltage at pin F6, switch ignition off and check for open or short in wiring from PCMpin F7 (black/white) to ABS/Trac Control ECU.NOTE: After test when components are reinstalled, switch ignition on and reinput back toprevious Scanner menu selection screen to continue with tip.PAGE 45
H023 5.0 Litre V8 Coil Resistance CheckPrimary resistance across +ve and -ve of coil terminals 0.76 to 0.84 ohms.Secondary resistance across -ve coil terminal and high tension post 4.5 Kohms to 6.0Kohms.Always check for cracks in coil casing particularly near mounting bracket.After testing, reinstall components and switch ignition on to continue using the<strong>Troubleshooter</strong>.H024 3.8 Litre V6 Coil Resistance CheckOne piece combinedcoil pack typeIndividualcoil pack typePrimary resistance checked 0.3 ohm to 1.5 ohm 0.3 ohm to 1.5 ohmacross corresponding terminalson underside of coilSecondary resistance 10 Kohm to 14 Kohm 5 Kohm to 7 Kohmchecked across correpondinghigh tension postsNOTE: If any coil out of range or if one coil secondary reading differs from other two by morethan 1 Kohm then suspect faulty coil.After testing, reinstall components and switch ignition on to continue using the<strong>Troubleshooter</strong>.PAGE 46
Page 10 and 11: Holden Ref
Page 12 and 13: H001VN Model (to Oct 1989) V6 Wirin
Page 14 and 15: H002VN Model (from Oct 1989) & VP M
Page 16 and 17: H003VN Model (to Oct 1989) V8 Wirin
Page 18 and 19: H004VN Model (from Oct 1989) & VP M
Page 20 and 21: H005VR Manual Mode
Page 22 and 23: H006VR Automatic Model V6 Wiring Di
Page 24 and 25: H007VR & VS Manual
Page 26 and 27: H008VR & VS Automatic Model V8 Wiri
Page 28 and 29: H009VS Model V6 Wiring DiagramPAGE
Page 30 and 31: H010VT Model V6 Wiring DiagramPAGE
Page 32 and 33: H011VT Model 5.0 Litre V8 Wiring Di
Page 34 and 35: H012VX Model V6 Connector DiagramPA
Page 36 and 37: H014V6 Direct Fire Ignition (DFI) P
Page 39 and 40: H016 continued• Verify that the m
Page 41 and 42: H017 continuedUsing Block Learn and
Page 43 and 44: H018 continuedUsing Fuel Trim Value
Page 45 and 46: H019 continued4. a) Check coil prim
Page 47: H021 VS & VT 3.8 Litre V6 Knock Sen
Page 51 and 52: H026VN (post Oct 89) to VS 5.0 Litr
Page 53 and 54: H028VR Model V6 Manual</str
Page 55 and 56: H030VS & VT 3.8 Litre V6 Electronic
Page 57 and 58: H032VR, VS 5.0 Litre V8 Automatic T
Page 59 and 60: H034VX, VY V6 Electronic Spark Timi
Page 61: SNAP-ON TOOLS (AUSTRALIA) PTY LTDAB

Holden Engine Troubleshooter Reference Manual - Snap-on Australia

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