1998-2004 Opel Astra G Service & Repair Manual

OPEL ASTRA I ASTRA CLASSIC

Pin Tables Copyright Equiptech Number Number of of ECM ECM pins: pins: 55 55 Pin Pin Connection Connection Test Test condition condition Volts/Duty Volts/Duty Cycle Cycle etc etc 1 amplifier control signal: t4 engine cranking/running switching 0 to nbv 2 earth (ignition pulse) engine running 0.25 max 3 pump relay driver: t85b ignition on nbv cranking/running 1.25 max 4 ISCV: t1 ignition on nbv engine running: variable cold 6.0 to 6.5 hot 7.0 to 9.0 engine cold frequency 100-110 duty cycle 56-58% engine hot no load frequency 100-110 duty cycle 40-44% under load frequency 100-110 duty cycle 44-50% 5 CFSV: t1 ignition on nbv engine running, snap accelerate zero 6 unused 7 AFS signal : t3 ignition on 1.40 idle 1.90 to 2.25 snap accelerate 3.00+ 8 Cylinder ID (CID) signal: t2 engine running 2.50 (average) 9 VSS vehicle moving switching 0v to nbv. 10 OS earth engine running 0.25 max 11 knock sensor signal: t1 KS active 1.0 approx (peak to peak) 12 unused 13 SD socket : tB 14 earth (injectors) engine running 0.25 max 16 injector pulse, cyl 3: t1 ignition on nbv cranking cold 11.0 to 12.0 ms cranking hot 3.1+ ms cold idle 4.5+ ms hot idle 3.1 to 3.3 ms 17 injector pulse, cyl 1: t1 ignition on nbv cranking cold 11.0 to 12.0 ms cranking hot 3.1+ ms cold idle 4.5+ ms hot idle 3.1 to 3.3 ms 18 battery positive: t30 ignition off/on nbv 19 earth (main ECM) ignition on/running 0.25 max 20 coding (non-cat) ignition on 0.25 max (non cat) ignition on 5.0 (cat) 21 coding (AT) ignition on 0.25 max (AT) ignition on 5.0 ± 0.1(MT) 22 SD warning lamp: H1 running faults present 0.25 max no faults present nbv 23 unused 24 earth (CFSV & warning lamp) ignition on/running 0.25 max 1

Pin Tables Copyright Equiptech 25 AFS (hot wire burn-off): t4 coolant above 31° C, rpm above 1000, switch off engine hot wire glows for 1.5 seconds 26 AFS return: t2 ignition on\ running 0.25 max 27 ignition switch t15 ignition on \ running nbv 28 oxygen sensor signal: t1 ignition Key On 0.4 to 0.5 volts engine running 200 to 1000 mv Throttle fully-open 1.0 volt constant Fuel cut-off zero volt constant Switching frequency 1 sec intervals (approx) 29 unused 30 knock sensor return: t2 KS active 0.25 max 31 CID supply (HES): t1 ignition on/running 5.0 32 on board computer: t24 33 unused 34 injector pulse, cyl 2: t1 ignition on nbv cranking cold 11.0 to 12.0 ms cranking hot 3.1+ ms cold idle 4.5+ ms hot idle 3.1 to 3.3 ms 35 injector pulse, cyl 4: t1 ignition on nbv cranking cold 11.0 to 12.0 ms cranking hot 3.1+ ms cold idle 4.5+ ms hot idle 3.1 to 3.3 ms 36 main relay driver: t85 ignition off nbv ignition on/running 1.25 max 37 nbv supply from relay: t87 ignition on/running nbv 38 unused 39 unused 40 A/C compressor switch 41 A/C high pressure switch 42 P/N earth ignition on gear selected nbv P/N selected 0.25 max 43 CO - non-Cat (AFS: t6) ignition on/running (idle) 0.9 to 1.4 44 unused 45 CTS signal: t2 ignition on/running 80° 1.00 to 1.30 20° 3.00 to 3.50 46 octane adjuster: tA ignition on/running Brown plug 95 to 98 octane 1.6 volts 47 CAS signal: t1 cranking: AC 4.0v+ (peak to peak) idle: AC 8.0v+ (peak to peak) cruise: AC 14.0v+ (peak to peak) 48 CAS return: t2 engine running 0.25 max 49 unused 50 unused 51 unused 52 TS (Idle contact): t2 ignition on/running throttle closed 0.25 max throttle open 5.0 ± 0.1 53 TS (full load contact): t3 ignition on/running throttle fully open 0.25 max throttle open/closed 5.0 ± 0.1 54 unused 55 diagnostic socket: tG < END END > 2

1998-2004 Opel Astra G Service & Repair Manual

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