ad2540w600026a

WSK test of electrical system retarder stage switch

Tür ad · konu 25.40 · sürüm 0101 · 2003-06-10

Geçerli olduğu: ENGINE 441.9, 445.9, 446.9 in MODEL 625.1 with CODE (G02) Torque converter clutch (TCC) ENGINE 446.9 in MODEL 625.2 with CODE (G02) Torque converter clutch (TCC) ENGINE 402.9, 440.9, 445.9, 446.9 in MODEL 655 with CODE (G02) Torque converter clutch (TCC) ENGINE 440.9, 441.9, 442.9, 445.9, 446.9 in MODEL 656 with CODE (G02) Torque converter clutch (TCC) ENGINE 442.9, 446.9 in MODEL 657 with CODE (G02) Torque converter clutch (TCC) ENGINE 440.9, 442.9, 446.9 in MODEL 658 with CODE (G02) Torque conver

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Konumu

Fonksiyon grubu 2 Şasi › 25 Debriyaj › 25.40 Vites kavrama konvertörü (WSK) — Seri 440 (modeller 9**) · Seri 441 (modeller 9**) · Seri 442 (modeller 9**) · Seri 625 (modeller 1**, 2**) · Seri 655 · Seri 656 · Seri 657 · Seri 658 · Seri 659

EinPAS 21 Frenler/Vakum tertibatı/Basınçlı hava tertibatı › 21.21 Retarder › 21.21.1 Temel bilgi — Seri 440 (modeller 9**) · Seri 441 (modeller 9**) · Seri 442 (modeller 9**) · Seri 625 (modeller 1**, 2**) · Seri 655 · Seri 656 · Seri 657 · Seri 658 · Seri 659

Motorlar/şanzımanlar için de geçerli: 401 9**, 402 9**, 445 9**, 446 9**

AD25.40-W-6000-26A

WSK test of electrical system retarder stage switch

 	Scope of test	Measuring instrument/Test connection			Operation/Requirement	Specified value	 Possible cause/Remedy

1.0 	Retarder stage switch –//–,  + HHT actual value				Ignition:ON Retarder stage switch (S4):Stage 0 Read out HHT actual value 07  AD25.40-W-3001A		If brake stage 1, 2, 3 or 4 is"ON" (shown against a black background):  1.1 If brake stage 1, 2, 3 and 4 is"OFF" (not shown against a black background):  1.3
1.1	Retarder stage switch –//–,  + TCC control module and retarder control module (Z44) Cables HHT actual value				Ignition:OFF Disconnect plug from retarder stage switch (S4). Ignition:ON Read out HHT actual value 07 AD25.40-W-3001A		If brake stage 1, 2, 3 and 4 is"OFF" (not shown against a black background):  Replace S4 on an experimental basis If brake stage 1, 2, 3 and 4 is "ON" (shown against a black background): Check appropriate brake stage   1.2
1.2	Retarder stage switch –//–,  + TCC control module and retarder control module (Z44) Cables Brake stage 1 Brake stage 2 Brake stage 3 Brake stage 4	20  (or 25) 20  (or 25) 20  (or 25) 20  (or 25)	S4   S4   S4   S4  	 10  22  9  8	Ignition:OFF Connect Y-cable and socket box without control module to wiring harness. Ignition:ON		Value < 1 V:  Replace Z44 on an experimental basis Value > 20 V:  Cables (cable short-circuit or short-circuit to UB+).
1.3	Retarder stage switch –//–,  + HHT actual value				Ignition:ON Read out HHT actual value AD25.40-W-3001A Switch retarder stage switch (S4) through to stage 4		If brake stage 1, 2, 3 and 4 is"ON" (shown against a black background):  Check stage switch and connectors (loose contact)  Replace TCC control module and retarder control module (Z44) on an experimental basis if the fault code appears again or cannot be erased. If brake stage 1, 2, 3 and 4 is"OFF" (shown against a black background): Check appropriate brake stage   1.4
1.4	Retarder stage switch –//–,  + Retarder stage switch (S4) Cable Brake stage 1 Brake stage 2 Brake stage 3	6/6  6/6  6/6 	S4  S4  S4 	 6/4  6/3  6/2	Ignition: OFF Disconnect plug on S4 Carry out measurement at socket housing of S4 (use suitable test cable from electrical connection set) Switch S4 to the defective stage		Value > 30 kΩ:  Replace S4 on an experimental basis. Value < 5 Ω:  Connector open-circuited  Cable to stage switch open-circuited.

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